A hypothetical 24-year-old session drummer in Atlanta types a prompt into a tab labelled "Suno v5.5" and listens as a credible pop song spills back in under a minute. He has not played a single note of it. "I'm competing with a model trained on every record I would have been good enough to play on," he says. The scene is composite; the dynamics it captures are not. Two years after Suno and Udio detonated into public view, the courtroom drama has mostly receded, replaced by deals, valuations, and a redrawing of who makes music and for whom.

The Tools, and How Fast They Moved

Suno launched publicly on December 20, 2023, built by four ex-Kensho engineers in Cambridge, Massachusetts [1]. Udio, then still called Uncharted Labs, was assembled the same month by four former Google DeepMind researchers [2]. Within a year both names had become shorthand for an entire behavior. Suno v3 to v5.5 arrived across roughly two years; reviewers now struggle to tell the output apart from a real recording, and that gap closing is the actual story. Rolling Stone's Brian Hiatt wrote that Suno v4 produced "the most realistic vocals of any consumer AI music tool" to that point [6]. Suno tends to win on polish; Udio on brittle specificity.

The Lawsuits, and the Settlements That Actually Matter

In June 2024 the RIAA, on behalf of Sony Music, Universal Music Group, and Warner Music Group, sued both Suno and Udio in federal court, alleging the tools had been trained on copyrighted recordings without permission [3][4]. The suits sought statutory damages of up to $150,000 per infringed work [1]. For a moment the case looked like the industry's Napster moment. It did not become a courtroom verdict. By late 2025 the disputes had collapsed into two label-specific deals. In October 2025 Universal settled with Udio, which committed to launch a new platform trained only on "authorized and licensed music" [2]. One month later, Warner Music Group struck a reported $500 million deal with Suno, allowing Suno to train on Warner's catalog; Suno also acquired Songkick from WMG [1]. Sony's case against Suno was still active as of mid-November 2025 [10]. The companies do not have to disclose the size of their training corpora, and the fair-use question has been negotiated into licensing deals rather than adjudicated.

The First AI Artists, and the Money Following Them

In March 2025, thousands of musicians, including Thom Yorke and ABBA's Björn Ulvaeus, signed an open letter demanding that Suno stop training on copyrighted music. One day later, the producer Timbaland appeared in a company video endorsing Suno, capturing the industry's split in a single 24-hour window [1][5]. "BBL Drizzy," a Willonius Hatcher parody made with Udio during the 2024 Drake and Kendrick Lamar feud, drew more than 23 million Twitter views and 3.3 million SoundCloud streams in its first week [2][3]. In August 2024, Butterbro's Udio-generated "Verknallt in einen Talahon" became the first AI-generated song to reach the German Top 50 singles chart [2]. The label deals followed. In July 2025 the Suno user "imoliver" signed with Hallwood Media, the first time a traditional label signed an AI-based creator [1]. In 2025, Xania Monet, a Suno-driven act whose lyrics are written by the poet Telisha Jones, signed with Hallwood Media for a reported $3 million [7]. None of these artists are fully synthetic; they are hybrids, mostly human in concept and lyrics, machine in performance and arrangement. That hybrid line is the one the industry is willing to defend.

The Money Behind the Curtain, and the People the Headlines Skip

In November 2025, Music Business Worldwide reported that Suno had raised more than $400 million at a reported $5.4 billion valuation, even as the RIAA-coordinated suits were still active [9]. Udio's earlier backers included Andreessen Horowitz, UnitedMasters, will.i.am, Common, the Instagram co-founder Mike Krieger, and the DeepMind researcher Oriol Vinyals [2]. The investors did not wait for the litigation to clear. They priced AI music as a category-defining business regardless of who prevailed in court.

The press releases tend to leave out the working musician. Session players, who built careers as the in-demand ringers behind a hundred pop records, are watching the demand for their work contract. Drummers, horn players, backing vocalists, and demo singers whose trade is "sound like a person on a record" are now competing with software trained on their predecessors. "I think the majority of people don't enjoy the majority of the time they spend making music," Suno CEO Mikey Shulman said on a podcast in January 2025 [1][8]. Joshua Eustis of Telefon Tel Aviv called Udio "an app to replace musicians" on Twitter [2]. Both statements are artifacts in a cultural argument the labels are mostly declining to referee.

The Next Album

AI music generators are part of the industry; that part is settled. The likely answer to what comes next is a tiered system. At the top, marquee human artists with strong personal brands will command a premium for authenticity, the way vinyl did in the era of CD. In the middle, hybrid human-AI acts like Xania Monet will become a recognized professional category, with their own A&R logic, their own chart placements, and their own contractual quirks about who owns the prompt that birthed a melody. At the bottom, a long tail of fully synthetic tracks will flood the streaming services, indistinguishable at a glance from human work and paid at fractions of a cent per stream, the same race to zero that has defined the streaming era since Spotify's first playlist. The big bands are unlikely to vanish. The session musician who learned the B-section the night before and nailed it in two takes will be valued last and lost first. That is the part of the post-settlement era the press releases do not describe, and the part that, by mid-2026, has become the central tension in a business that just spent two years fighting about who owns the past without settling who pays for the future.