Passing By is a 73-minute studio album of contemporary art songs and duets composed by Jake Heggie, performed by Isabel Bayrakdarian, Zheng Cao, Joyce DiDonato, Susan Graham, Paul Groves, Keith Phares and Frederica von Stade with Dawn Harms (violin), CarlaMaria Rodrigues (viola), Emil Miland (cello) and Heggie himself at the piano.