 John O'Neill wrote the majority of the band's singles and a number of album tracks (occasionally collaborating with his brother Damian or Michael Bradley).Undertones songs written by John O'Neill include the singles "Teenage Kicks", "Jimmy Jimmy", "Here Comes The Summer" and "You've Got My Number", and such notable album tracks as "When Saturday Comes" and "You're Welcome".After releasing four albums and thirteen singles, The Undertones disbanded in 1983; they reformed in November 1999.