Privacy Policy

Jan 18, 2026

Introduction

Welcome to HeartMuLa, an open-source AI music foundation model designed to generate professional, studio-quality music from text descriptions. At HeartMuLa, your privacy is of utmost importance to us. This privacy policy outlines how we collect, use, protect, and share your personal information when you use our AI music generation service.

Effective Date: January 18, 2026

Information We Collect

We collect different types of information to provide and improve our AI music generation service:

1. Account Information

What We Collect:

Email address
Username or display name
Profile information (optional)
Account creation date

Purpose:

To create and manage your account
To provide customer support
To send important service updates and notifications
To authenticate your access to the service

2. Music Generation Data

What We Collect:

Text prompts and descriptions you provide
Language preferences
Duration settings
Custom lyrics (if provided)
Reference audio files (if uploaded)
Generated music files (temporarily)
Generation timestamps and frequency

Purpose:

To generate music based on your specifications
To improve our AI models and service quality
To analyze usage patterns and optimize performance
To provide personalized recommendations (future feature)

3. Usage and Analytics Data

What We Collect:

Pages visited and features accessed
Time spent on the service
Generation success and failure rates
Error logs and debugging information
User preferences and settings
Interaction patterns with the interface

Purpose:

To understand how users interact with HeartMuLa
To identify and fix bugs and technical issues
To improve user experience and interface design
To analyze feature adoption and usage trends

4. Device and Technical Information

What We Collect:

IP address
Browser type and version
Operating system
Device type (desktop, mobile, tablet)
Screen resolution
Language settings
Referrer URL

Purpose:

To optimize the service for different devices and browsers
To ensure compatibility and performance
To detect and prevent abuse or fraudulent activity
To provide technical support

5. Cookies and Similar Technologies

What We Use:

Essential Cookies: Required for basic functionality (authentication, session management)
Analytics Cookies: To understand user behavior and improve the service
Preference Cookies: To remember your settings and preferences

Purpose:

To maintain your logged-in state
To remember your preferences (language, theme, etc.)
To analyze traffic and usage patterns
To enhance user experience

You can control cookie preferences through your browser settings, but disabling certain cookies may affect service functionality.

6. Communication Data

What We Collect:

Support inquiries and correspondence
Feedback and survey responses
Email interaction data (opens, clicks)

Purpose:

To respond to your questions and provide support
To improve our service based on feedback
To communicate important updates

How We Use Your Information

We use the collected information for the following purposes:

Service Provision

Generate music based on your text descriptions
Authenticate and manage your account
Process and store your music generation requests
Provide access to generated music files

Service Improvement

Train and improve our AI models
Analyze usage patterns to optimize performance
Identify and fix technical issues
Develop new features and capabilities

Communication

Send service updates and announcements
Provide customer support
Notify you of important changes to the service
Respond to your inquiries (future feature)

Research and Development

Conduct research to advance AI music generation
Publish anonymized, aggregated statistics
Contribute to academic research (with anonymized data)

Legal and Security

Comply with legal obligations
Protect against fraud and abuse
Enforce our Terms of Service
Protect the rights and safety of our users

Data Storage and Security

Storage Location

Your data is stored on secure cloud servers
Generated music files are temporarily stored for processing
Account and usage data may be stored in multiple geographic locations for redundancy

Security Measures

We implement industry-standard security measures to protect your data:

Encryption: Data is encrypted in transit (HTTPS/TLS) and at rest
Access Controls: Strict access controls limit who can access user data
Authentication: Secure authentication mechanisms protect your account
Monitoring: Continuous monitoring for suspicious activity and security threats
Regular Audits: Regular security assessments and updates

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your personal information, we cannot guarantee absolute security.

Data Retention

Account Data: Retained as long as your account is active
Generated Music: Temporarily stored (typically 30 days) unless you download it
Usage Analytics: Aggregated and anonymized data may be retained indefinitely
Deleted Accounts: Data is permanently deleted within 90 days of account deletion

We do not sell your personal information to third parties. We may share your information only in the following limited circumstances:

We may share your information when you explicitly give us permission to do so.

Service Providers

We may share data with trusted third-party service providers who assist us in:

Cloud hosting and infrastructure
Analytics and monitoring
Email delivery
Customer support tools

These providers are bound by confidentiality agreements and may only use your data to provide services to us.

Legal Requirements

We may disclose your information if required to:

Comply with legal obligations or lawful requests
Protect our rights, property, or safety
Protect the rights, property, or safety of our users or others
Investigate and prevent fraud, security, or technical issues

Business Transfers

In the event of a merger, acquisition, or sale of assets, your information may be transferred to the acquiring entity, subject to this privacy policy.

Open Source Community

As an open-source project, we may share:

Anonymized and aggregated usage statistics
Anonymized training data for model improvement (with appropriate safeguards)
Bug reports and technical issues (without personal information)

Your Rights and Choices

You have the following rights regarding your personal information:

Access and Portability

Request a copy of your personal data
Export your generated music and account information
Request information about how we process your data

Correction and Update

Update your account information
Correct inaccurate personal data
Modify your preferences and settings

Deletion

Request deletion of your account and associated data
Delete specific generated music files
Withdraw consent for data processing (where applicable)

Opt-Out

Unsubscribe from marketing emails
Disable non-essential cookies
Opt out of analytics tracking (where possible)

To exercise these rights, please contact us at heartmula.ai@gmail.com.

Children's Privacy

HeartMuLa is not intended for children under the age of 13 (or the applicable age of digital consent in your jurisdiction). We do not knowingly collect personal information from children. If we become aware that we have collected data from a child, we will take steps to delete that information promptly.

International Data Transfers

HeartMuLa is an international service. Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data in accordance with this privacy policy.

Third-Party Links and Services

Our service may contain links to third-party websites or services (e.g., GitHub, Hugging Face). This privacy policy does not apply to those third-party services. We encourage you to review their privacy policies before providing any personal information.

Changes to This Privacy Policy

We may update this privacy policy from time to time to reflect changes in:

Our practices and services
Legal or regulatory requirements
Technology and industry standards

We will notify you of significant changes by:

Posting a prominent notice on our website
Sending an email notification to registered users
Updating the "Effective Date" at the top of this policy

Your continued use of HeartMuLa after changes indicates your acceptance of the updated policy.

Open Source Transparency

As an open-source project, we are committed to transparency:

Our source code is publicly available on GitHub
You can review how data is processed by examining the code
Community members can contribute to privacy improvements
We welcome feedback and suggestions from our users

Data Processing for AI Training

Model Training

We may use generated music and prompts to improve our AI models
All training data is carefully reviewed and filtered
Personal identifying information is removed before training
Users can opt out of having their data used for training (contact us)

Research Use

Anonymized data may be used for academic research
Research findings may be published with aggregated, non-identifiable data
We encourage citation of our research paper (arXiv:2601.10547)

Contact Information

If you have any questions, concerns, or requests regarding this privacy policy or our data practices, please contact us:

Email: heartmula.ai@gmail.com
GitHub Issues: https://github.com/HeartMuLa/heartlib/issues
Website: https://heartmula.github.io/

For privacy-related inquiries, please use the subject line "Privacy Policy Question" in your email.

Specific Regional Privacy Rights

European Economic Area (EEA) Users

If you are in the EEA, you have additional rights under GDPR:

Right to data portability
Right to restrict processing
Right to object to processing
Right to lodge a complaint with a supervisory authority

California Residents

If you are a California resident, you have rights under CCPA:

Right to know what personal information is collected
Right to know whether personal information is sold or disclosed
Right to opt-out of the sale of personal information (Note: We do not sell personal information)
Right to deletion
Right to non-discrimination

Last Updated: January 18, 2026

By using HeartMuLa, you consent to this privacy policy and agree to its terms. We are committed to protecting your privacy while providing an innovative AI music generation service. Thank you for trusting us with your information and being part of the HeartMuLa community!