MUREKA
Mureka Extend Lyrics is a lyric generation model that expands existing song lyrics by generating coherent new lines and sections.
Avg Run Time: 5.000s
Model Slug: mureka-extend-lyrics
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Example Result
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API & SDK
Create a Prediction
Send a POST request to create a new prediction. This will return a prediction ID that you'll use to check the result. The request should include your model inputs and API key.
Get Prediction Result
Poll the prediction endpoint with the prediction ID until the result is ready. The API uses long-polling, so you'll need to repeatedly check until you receive a success status.
Readme
Overview
mureka-extend-lyrics — Text-to-Text AI Model
mureka-extend-lyrics is a specialized text-to-text AI model that solves a critical problem for songwriters and music producers: expanding existing lyrics while maintaining structural coherence and thematic consistency. Developed by Mureka as part of their advanced music generation suite, this model extends song lyrics by generating new lines and sections that seamlessly integrate with your existing content. Rather than producing disconnected phrases, mureka-extend-lyrics understands complex songwriting structures—verses, choruses, hooks, bridges, and refrains—ensuring that generated content preserves the flow and intent of your original composition.
The model excels at lyric generation that respects musical architecture, making it an essential tool for creators working with AI lyrics generators who need intelligent expansion rather than random text generation. Whether you're developing an incomplete song or exploring variations on existing lyrics, mureka-extend-lyrics maintains thematic coherence across extended passages.
Technical Specifications
What Sets mureka-extend-lyrics Apart
mureka-extend-lyrics distinguishes itself through capabilities specifically designed for professional songwriting:
- Structural Lyric Preservation: The model recognizes and maintains songwriting formats including verses, choruses, hooks, bridges, and refrains. This means generated content doesn't just fit grammatically—it respects the architectural requirements of your song structure, enabling coherent lyrics expansion without disrupting musical flow.
- Multi-Language Lyric Support: Generate or extend lyrics in English, Chinese, Japanese, French, Portuguese, German, and other languages. This capability is essential for creators building global music catalogs or working with international collaborators on AI songwriting projects.
- Regional Editing Integration: Modify specific sections of your lyrics while the model maintains overall thematic consistency. This granular control allows you to refine individual verses or choruses without regenerating the entire composition, preserving the coherent lyrics expansion you've already achieved.
- Seamless Integration with Music Generation: mureka-extend-lyrics works within Mureka's broader ecosystem, allowing your extended lyrics to feed directly into full composition generation with matching melodies, harmonies, and instrumentation.
Key Considerations
- No specific guidance available for this model; general music APIs like Mureka recommend using updated models (e.g., V7.5 as default) for better results
- Monitor character limits (prompts up to 1000, lyrics up to 3000) to avoid truncation
- Use structural markers like [verse], [chorus] in lyrics for better coherence, as seen in similar models like HeartMuLa
- Test with short segments first for convergence before full extensions
- Balance condition inputs (lyrics, tags, reference audio) to control style without overwhelming the model
Tips & Tricks
How to Use mureka-extend-lyrics on Eachlabs
Access mureka-extend-lyrics through Eachlabs' Playground for immediate experimentation or integrate it via API for production workflows. Input your existing lyrics with structural markers (verse, chorus, bridge), specify your target language and desired tone, and the model generates coherent extensions that maintain your song's architecture. Output is delivered as clean text ready for integration into Mureka's full composition pipeline or external music production tools.
---END---Capabilities
- No confirmed capabilities for mureka-extend-lyrics; Mureka supports music extension from lyrics, instrumentals, custom vocals
- Related models like HeartMuLa handle lyric recognition, tokenization, and controllable song generation up to 6 minutes
- Supports structural control via markers ([intro], [verse], [chorus]) and multi-encoder features (phonetic, semantic, acoustic)
- Low-frame-rate codec (12.5 Hz) for efficient long-sequence modeling in music
- Optional short-music mode for videos and fine-grained style control per section
What Can I Use It For?
Use Cases for mureka-extend-lyrics
Songwriters Completing Incomplete Compositions: Independent musicians often struggle with writer's block when developing verses or bridges. A songwriter with a chorus and first verse can input these sections and use mureka-extend-lyrics to generate coherent additional verses that maintain the original melody's emotional arc and thematic focus, accelerating the songwriting process without sacrificing quality.
Music Producers Exploring Lyrical Variations: Producers working on AI songwriting projects can generate multiple lyrical variations for the same musical composition. By extending existing lyrics in different directions—perhaps creating a more introspective second verse or a more energetic bridge—they can A/B test different emotional narratives before committing to final arrangements.
Developers Building Lyric Generation APIs: Development teams creating music creation platforms can integrate mureka-extend-lyrics through Mureka's official API to offer end-users intelligent lyric expansion as a core feature. This enables applications focused on AI lyrics generators to provide structural awareness that most generic text models cannot deliver.
Content Creators Producing Multilingual Music: Creators targeting international audiences can extend lyrics across multiple languages while maintaining thematic consistency. A creator might develop English verses and use the model to generate French or Japanese extensions that preserve the original's meaning and poetic structure, essential for global music distribution.
Things to Be Aware Of
- Mureka updates frequently (e.g., V7.5 default in Sep 2025, lyrics limit to 3000 chars Aug 2025); use latest versions
- Supports stems download and instrumental generation (models O1, V7.5, V6)
- HeartMuLa uses four-stage training (warmup, pretraining, SFT) for quality; expect better structure with high-quality data
- Resource needs: efficient codec enables long sequences, but full songs require computational scaling
- Community notes absent; API docs highlight no rate limits on speech but apply to music endpoints variably
- Positive themes: precise lyric adherence and style control in similar models
Limitations
- No evidence of "mureka-extend-lyrics" existence; may be misnamed or unreleased as of Jan 2026
- Lacks user reviews, benchmarks, or comparisons; cannot confirm performance or coherence for lyric extension alone
- Specified image generator type unsupported by music-focused results; potential mismatch in query premises
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