Forrás: I'll Know from Guys And Dolls. Robert Alda. - Digital Sheet Music. from Guys and Dolls. Piano. Vocal. Chords. Voice 1, range. A3-F#5.
Fordítás: Tudni fogom a Guys and Dolls. - Digitális Sheet Music. a Guys and Dolls. Terv. Magánhangzói. Voice 1, tartomány. A3-F. Voice 2.