Magnolia Pictures has released the trailer for One to One: John & Yoko, a documentary directed by Kevin Macdonald that explores John Lennon and Yoko Ono’s early years in New York City and their One to One concert at Madison Square Garden in 1972. The film will premiere in IMAX on April 11 before expanding to wider theaters on April 18.

The documentary, which debuted at the Venice Film Festival last year, features archival footage, including previously unseen home movies and restored clips from the benefit concert where Lennon performed with guest musicians, members of the Plastic Ono Band, and backing band Elephant’s Memory. The concert was Lennon’s only full-length solo performance after leaving The Beatles, serving as both a musical event and a call to action during the Vietnam War and the Nixon administration.

Macdonald, known for One Day in September and The Last King of Scotland, directed the...