Originalus: Once in a While Sheet Music by Fats Waller. Fats Waller , Tommy Dorsey. Michael Edwards. Bud Green. EMI Music Publishing.
Vertimas: Vieną kartą, o natos pagal taukai Waller. Riebalai Waller Tommy Dorsey. Bud Žalia. EPI Music Publishing. Anglų. Solero.