From Music Business Worldwide · · 1m 50s
Sony and Universal demand Suno investor Lightspeed testify on AI training data risks
Sony and Universal want Lightspeed to reveal how Suno's AI training data risks could harm copyright claims.
In brief
Sony and Universal want Lightspeed to reveal how Suno's AI training data risks could harm copyright claims. Sony and Universal seek court order forcing Lightspeed to testify about Suno's AI training data legal risks. Originally reported by Music Business Worldwide.
Labels seek investor testimony
Universal Music Group and Sony Music Entertainment want Lightspeed Venture Partners to hand over documents and testify about AI music company Suno's legal risks.
Subpoena targets training data risks
The labels want Lightspeed to answer questions on the legal risk of training data and label lawsuits related to Suno's AI model.
Lightspeed's Series D investment

Lightspeed led Suno's USD $125 million Series B round in May 2024 and holds a seat on Suno's Board of Directors.
Suno's Series D valuation
Suno's Series D raised over $400 million at a $5.4 billion valuation in June 2026.
Investor production timeline
Lightspeed produced 152 documents in October 2025 but only ran up to June 6, 2025, missing Series C and Series D rounds.
Labels' legal argument
Universal and Sony argue that Lightspeed's files are relevant to Suno's fair use defense and whether infringement was willful.
Investor testimony relevance
Magistrate Judge Paul G. Levenson said investors in Suno are relevant to understanding its market behavior and data sources.
Suno's YouTube data use
Suno admitted it obtained audio from YouTube for training data using a tool called YT-DLP in September 2025.
Court timeline
The labels filed their motion on October 13, 2026, after Lightspeed refused to comply with the subpoena.
Next steps
The labels want Lightspeed to produce documents within seven days and sit for a deposition within 14 days.
What to remember
Sony and Universal seek court order forcing Lightspeed to testify about Suno's AI training data legal risks.




