 He began his long and successful association with Herb Alpert and his Tijuana Brass when he played percussion on the Tijuana Brass's first hit, "The Lonely Bull", in 1962.He later composed "Spanish Flea".Playing marimba and vibes on many of the songs on Alpert's subsequent albums in the 1960s, as well as writing at least one song on most of those albums, Wechter contributed much to the Tijuana Brass sound and style without receiving public credit for it at the time.