Complex sentence: In an April 2015 interview with "Billboard", Lavigne announced plans to release a new single titled "Fly", which was released 26 April, in association with the 2015 Special Olympics World Summer Games, and to release a Christmas album.
Split into simpler sentences: In an April 2015 interview with "Billboard", Lavigne announced plans to release a new single titled "Fly". It was released on 26 April, in association with the 2015 Special Olympics World Summer Games, and to release a Christmas album.