Complex sentence: In 1990, the three songs were made available on the "Lennon" box set and in 1996 on the remastered edition of Elton John's "Here and There" album.
Split into simpler sentences: In 1990, the three songs were made available on the "Lennon" box set. In 1996, they were also included on the remastered edition of Elton John's "Here and There" album.