Johnny Green's 1931 standard is given a laid-back, medium-tempo reading in this 2017 recording from tenor saxophonist Chad Lefkowitz-Brown's Standard Sessions series. At around 120 beats per minute, the relaxed pace brings out the tune's gentle, floating quality — the title itself suggests something appearing without warning, and the unhurried swing tempo captures that dreamlike character. Three soloists share the spotlight across the 32-bar ABAB' form: Lefkowitz-Brown opens with two choruses of tenor saxophone that emphasize melodic development over sheer speed, followed by pianist Joshua Richman with a two-chorus solo that explores the tune's appealing chord changes with a tasteful, lyrical touch. Bassist Raviv Markovitz closes the improvisation section with a one-chorus acoustic bass solo, adding a resonant low-register perspective. The tune's harmonic interest lies in its unexpected modulations — the B sections shift to surprising key areas that have attracted improvisers since the swing era, when the composition first became a jazz standard through recordings by Bing Crosby and later Charlie Parker. This version's moderate tempo and trio of soloists make it one of the more varied and accessible recordings in the early Standard Sessions catalog.