Australian singer Jasmine Rae released When I Found You under her name in 2015, and it was the most played song on Australian country radio, according to the complaint, filed in the US District Court in NY.
"The copying is, in many instances, verbatim, note-for-note copying of original elements of the Song, and is obvious to the ordinary observer", the plaintiffs, Sean Carey and Beau Golden, state in the complaint.
Rae was informed of the songs' similarities after a tweet from a fan caught her attention.
Below are videos of Jasmine Rae's "When I Found You" and Tim and Faith's "The Rest of Our Life". As the Hollywood Reporter claims, Carey and Golden are seeking $5million in damages - along with an injunction for the song to be permanently blocked.
The lawsuit alleges the two songs are "substantially similar in bars one through eight of both songs".
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"During this conversation, Mr. Holland admitted to knowing about the Infringing Song months in advance of its release because he was tasked with promoting and marketing the Infringing Song and Infringing Sound Recording before its release", the complaint states.
Carey and Golden allege Rae's boyfriend Tim Holland, a marketing manager for Sony, was the person who introduced Rae's song to the label and knew about the alleged similarities between the songs months before The Rest Of Our Life was released.
Among a long list of defendants in the case are Sheeran, McGraw and Hill themselves, plus McDaid and Wadge, Sony Music, Sony/ATV and Universal Music Publishing.
And there's more. "The Tennessean" also reports that there is a personal connection between Sony and the performer of "When I Found You", a singer named Jasmine Rae.
Richard Busch, partner at King & Ballow and the attorney for the plaintiffs, also represented the plaintiffs in a suit brought against Sheeran over his song "Photograph". An alternative theory suggests that Sheeran was exposed to the song during his Australian tour, which happened to be the time that "When I Found You" was garnering its most airplay on Australian radio.
TIO reached out to Sony Music for comment.
"The Rest of Our Life" has 9.6 million YouTube views and over 8 million streams on Spotify.