Original sentence: Such a versatile range of musical styles was finally abandoned by the age of 15, when he focussed his efforts on a rock band named Ricardo and the Latineers.Throughout his teenage years Visconti was involved with both a classical brass band (playing tuba) and a traditional orchestra (playing double bass), as well as playing rock 'n' roll-oriented guitar
Edited sentence: By the age of 15 he focussed his efforts playing in local Brooklyn bands.Throughout his teenage years Visconti was involved with both a classical brass band (playing tuba) and a traditional orchestra (playing double bass), as well as playing rock 'n' roll-oriented guitar, valuable experience which served him well in later years