"Better When I'm Dancin'" is a song recorded by American singer and songwriter Meghan Trainor for the soundtrack to the film The Peanuts Movie. Trainor co-wrote the song with Thaddeus Dixon. The song was released by Epic Records on October 13, 2015, as a promotional single from the soundtrack. The song is a soca track that strays from Trainor's usual musical style, being described as "breezy and harmless" with traces of house music.

A soca song, "Better When I'm Dancin'" strays from Trainor's usual doo-wop-influenced musical style, being described as "breezy and harmless" with traces of house music. The song is written in the key of D major with a tempo of 128 beats per minute. In the verses, the song follows a chord progression of D–D/F♯–G5–D/F♯–Em7–Asus, and Trainor's vocals span from G₄ to D₆ in the song.

Directed by Philip Andelman, the video premiered on Apple Music on October 13, 2015 and debuted on Vevo the same day. It features Trainor with appearances from Snoopy, , Charlie Brown, among other characters from Peanuts.

Trainor performed "Better When I'm Dancin'" on The Tonight Show Starring Jimmy Fallon on November 5, 2015. She also performed the song on the Dancing with the Stars season 21 finale on November 24, 2015, followed by her collaboration with Who Is Fancy and Ariana Grande, "Boys like You".

...
Wikipedia