A.B. Quintanilla , III , wrote and produced almost every song on Ven Conmigo . David Lee Garza , the accordion player for the title track , `` Ven Conmigo , participated in the writing and production , as well . A.B. Quintanilla , the producer , enlisted the participation of David Lee Garza , an accordion player for the title track , `` Ven Conmigo '' .