Guaraldi's first recording was an unreleased demo made with Tom Hart in mid-1951. His first official recording was made in November 1951 with Cal Tjader's Mambo Trio. The songs—"Chopsticks Mambo," "Vibra-Tharpe," "Three Little Words" and "Lullaby of the Leaves"—were released in December 1953 on the 10-inch LP record, "The Cal Tjader Trio". By summer 1954, Guaraldi had formed his first trio, with Eddie Duran (guitar) and Dean Reilly (double bass), and regularly performing as the as house band at the hungry i jazz club in San Francisco, backing singer Faith Winthrop.