Suno AI v4.5 Revolutionizes Music Creation: 8-Minute Track Generation and CEO’s Controversial Remarks

A New Horizon in AI Music Generation

On May 1, 2025, AI music generation platform Suno AI released its highly anticipated version 4.5¹. This update marks a significant turning point in AI music generation technology, bringing it one step closer to professional music production capabilities.

However, alongside technical advances, the environment surrounding Suno AI grows increasingly complex with the CEO’s controversial statements and ongoing copyright issues.

Revolutionary Features of Suno v4.5

1. Dramatic Extension of Track Length

The most notable evolution in v4.5 is the doubling of generatable track length from 4 minutes to 8 minutes¹. This change enables:

Complete song structures: Full compositions including intro, multiple verses, bridge, and outro
Progressive development: Complex musical narratives that unfold over time
Live performance compatibility: Suitable length for DJ sets and live performances

2. Advanced Genre Fusion Capabilities

v4.5 significantly enhances genre blending functionality:

Seamless fusion: Jazz with electronica, classical with hip-hop, and more
Cultural crossovers: Natural combination of musical elements from different cultural spheres
Experimental sounds: Creation of entirely new musical genres

3. Evolution of Vocal Expression

Vocal generation technology has achieved the following improvements:

Nuance understanding: Fine specification of emotional expression, accents, and singing styles
Multilingual support: More natural pronunciation in multilingual song generation
Harmony generation: Automatic generation of multiple vocal parts

4. Prompt Enhancement Feature

The newly added prompt helper transforms users’ simple inputs into detailed and effective prompts¹:

Automatic optimization: Conversion to musically meaningful instructions
Style suggestions: Music style recommendations based on input content
Technical completion: Automatic setting of tempo, key, and instrumentation

Evolution Trajectory from 2024

v4.0 Groundbreaking Features (November 2024)

Released on November 19, 2024, v4.0 introduced the following features²:

Covers Feature
- Upload and reinterpretation of existing songs
- Creative arrangements while preserving the original essence
- Copyright-conscious conversion process
Personas Feature
- Creation and saving of unique musical identities
- Maintaining consistency in vocal style and musical approach
- Reusability across multiple projects
Remaster Feature
- Quality improvement of existing works
- Adaptation to latest audio quality standards
- Preservation of original creative elements

Acceleration of Mobile Deployment

The mobile app released on July 1, 2024, significantly contributed to democratizing music production³:

iOS/Android support: Full-scale music production on smartphones
Cloud sync: Seamless work continuation across devices
Touch-optimized UI: Intuitive operability

Controversy and Criticism

CEO’s Controversial Remarks

In January 2025, Suno CEO Mikey Shulmann made statements on a podcast that caused significant controversy⁴:

“I think the majority of people don’t enjoy the majority of the time they spend making music”

This statement provoked strong backlash from the music production community and cast doubt on Suno’s vision and understanding of music culture.

Ongoing Copyright Issues

Legal frameworks for AI-generated content are advancing worldwide, with Japan’s Agency for Cultural Affairs publishing guidelines outlining its approach to copyright.

Industry Association Lawsuits

In June 2024, the Recording Industry Association of America (RIAA) filed copyright infringement lawsuits against Suno and Udio⁵. Key points of the lawsuit:

Suspected unauthorized use: Training on copyrighted songs
Damage claims: Demands for substantial monetary compensation
Industry impact: Regulatory discussions for AI music generation as a whole

Artist Protests

In March 2025, thousands of musicians, including Thom Yorke and ABBA’s Björn Ulvaeus, sent an open letter to Suno⁴:

Demanding transparency in training data
Insisting on copyright respect
Protecting creators’ rights

Timbaland’s Support Declaration

Interestingly, the day after criticism from musicians, prominent producer Timbaland declared his support for Suno⁴. This became a symbolic event of the divided opinions within the industry.

2025 Outlook and Plans

Technical Roadmap

Suno plans the following feature developments for 2025⁶:

Real-time Collaboration
- Simultaneous editing by multiple users
- Cloud-based co-creation
- Version control system
AI-Driven Mastering
- Automatic equalization
- Dynamics processing
- Spatial audio support
Professional Tool Integration
- DAW plugin development
- MIDI export functionality
- Stem file separation

Global Expansion

Mobile app global deployment is accelerating, aiming for complete rollout in major markets by the end of 2025:

Asian markets: Deployment in Japan, Korea, and China
Europe: GDPR-compliant deployment
South America: Localized content

Impact on the Music Industry

Positive Aspects

Democratization of Creation
- Composition without music theory knowledge
- No expensive equipment required
- Global music exchange
New Business Models
- AI-assisted composition services
- Custom music production
- Use as educational tools
Promotion of Experimental Music
- Creation beyond genre boundaries
- Exploration of new musical expressions
- Facilitation of collaboration

Challenges and Concerns

Employment Impact
- Decrease in jobs for composers and arrangers
- Reduced demand for studio musicians
- Devaluation of music production
Creativity Issues
- Definition of originality
- Value of human creativity
- Maintenance of cultural diversity
Quality Control
- Quality decline due to mass production
- Lack of musical depth
- Impact on listeners’ aesthetic sense

User Reactions and Evaluations

Positive Reception of v4.5

Many users highly appreciate the improvements in v4.5¹:

“I was amazed from the start”
“The genre fusion is natural and wonderful”
“8-minute track generation is groundbreaking”

Remaining Issues

Meanwhile, improvement requests continue for the following points:

Cannot specify track length: Unable to specify length during generation
Unnatural endings: Abrupt endings rather than proper conclusions
Fine editing features: Difficulty in partial modifications

Comparison with Competitors

Major Competing Services

Udio
- Facing similar copyright issues
- Different approach to music generation
- Rich community features
Google MusicLM
- Limited release in research phase
- High-quality generation capability
- Commercial use restrictions
Meta AudioCraft
- Open-source approach
- Customization possibilities
- Tools for technical users

Suno’s Differentiating Factors

Ease of use: Intuitive operation even for beginners
Generation speed: Near real-time generation
Community: Active user community

2025 may become a turning point where AI music generation transitions from mere technological curiosity to an important part of the music industry. In this process, attention focuses on how human creativity and AI possibilities will coexist.

Suno AI v4.5 Revolutionizes Music Creation: 8-Minute Track Generation and CEO's Controversial Remarks