"Once in a While" is a ballad feature for trumpeter Clifford Brown from A Night at Birdland Vol. 1, the celebrated 1954 live recording by the Art Blakey Quintet. Michael Edwards's 32-bar AABA standard is taken at a hushed tempo of approximately 75 bpm in E-flat, and Brown's one-and-a-half-chorus solo is the sole improvisation on the track. At just 23 years old, Brown demonstrates the remarkable lyricism and technical command that distinguished him from every other trumpeter of his generation. His ballad playing here is a masterclass in melodic construction, with each phrase building on the last to create a sustained arc of emotion and beauty. The intimate setting of Birdland, with its attentive audience and close acoustics, lends the performance a confessional quality. Accompanied sensitively by Silver's piano, Curly Russell's bass, and Blakey's whisper-quiet brushwork, Brown transforms this standard into something deeply personal. The track stands as essential evidence of Brown's genius and a reminder of the immeasurable loss jazz suffered when he died in a car accident just two years later at the age of 25.