Eastside (song)
Additionally, "Eastside" spent 45 weeks on Billboard's Pop Songs radio airplay chart, tying the longevity record for the most weeks spent on the chart with Khalid and Normani's "Love Lies" and Dua Lipa's "New Rules"; this record has since been broken and is currently held by Rema and Selena Gomez's "Calm Down".[6] Sheet music for "Eastside" shows the key of F♯ minor, with a tempo of 89 beats per minute and a chord progression of F♯m–E–A–D–E.[3][8] Blanco premiered the song on July 12 on the Beats 1 station on Apple Music, in an interview with Zane Lowe.[4][8] Blanco, Halsey, and Khalid performed the song at the American Music Awards of 2018, with a "bedroom setting".[10] In May 2021 a lawsuit for copyright infringement was filed against Blanco and the other co-writers of "Eastside" by the band American XO alleging that the guitar riff that forms the basis of "Eastside" was copied from their 2015 song "Loveless.” The Lawsuit contains an audio comparison, referred to as “Exhibit A” of the two songs being played simultaneously that allegedly shows the similarities between the main riff of "Eastside" and the guitar hook for "Loveless.