▁divor ced ▁three ▁more ▁times ▁during ▁his ▁life . ▁ ▁Career ▁R andy ▁Van ▁Hor ne ' s ▁career ▁began ▁in ▁the ▁late ▁ 1 9 4 0 s ▁as ▁a ▁Los ▁Angeles ▁studio ▁music ian . ▁He ▁formed ▁his ▁first ▁musical ▁group , ▁the ▁Enc ores , ▁in ▁the ▁early ▁ 1 9 5 0 s ▁with ▁three ▁other ▁mus icians . ▁The ▁Enc ores ▁broke ▁up ▁in ▁the ▁late ▁ 1 9 5 0 s . ▁ ▁He ▁went ▁on ▁to ▁create ▁the ▁R andy ▁Van ▁Hor ne ▁Sing ers ▁in ▁the ▁late ▁ 1 9 5 0 s ▁following ▁the ▁break up ▁of ▁the ▁Enc ores . ▁ ▁Several ▁members ▁of ▁the ▁R andy ▁Van ▁Hor ne ▁Sing ers ▁would ▁eventually ▁become ▁successful ▁solo ▁recording ▁artists , ▁such ▁as ▁Mar ni ▁N ixon . ▁The ▁group ▁was ▁known ▁for ▁its ▁easy ▁style ▁of ▁music ▁and ▁remained ▁pre domin antly ▁a ▁studio ▁musical ▁group . ▁However , ▁the ▁R andy ▁Van ▁Hor ne ▁Sing ers ▁did ▁make ▁occas ional ▁television ▁performances , ▁such ▁as ▁on ▁The ▁Nat ▁King ▁Cole ▁Show ▁in ▁ 1 9 5 7 . ▁ ▁The ▁group ▁became ▁most ▁famous ▁for ▁recording ▁the ▁theme ▁songs ▁for ▁several ▁high - profile ▁H anna - Bar ber a ▁cart o ons , ▁including ▁The ▁Fl int st ones ▁and ▁The ▁J ets ons . ▁They ▁were ▁h ired ▁by ▁H anna - Bar ber a ' s ▁music ▁composer , ▁Ho yt ▁Curt in , ▁to ▁complete ▁the ▁theme ▁songs