Complex sentence: In 1980, when Meco was there recording', Tony Bongiovi recommended him for the song "R2-D2 We Wish You A Merry Christmas", which became his first professional recording (credited as John Bongiovi).
Split into simpler sentences: In 1980, when Meco was there recording', Tony Bongiovi recommended him for the song "R2-D2 We Wish You A Merry Christmas". This became his first professional recording (credited as John Bongiovi).