Mamma Mia! Here We Go Again was announced on May 19, 2017, with a release date of July 20, 2018. It was written and directed by Ol Parker. On September 27, 2017, Benny Andersson confirmed 3 ABBA songs that would be featured in the film: ''When I Kissed the Teacher,'' ''I Wonder (Departure),'' and ''Angeleyes.'' ''I Wonder (Departure)'' was cut from the film, but is included on the soundtrack album.

Can we conclude that were all songs in mamma mia 2 by abba?
no