"A Matter of Trust" is a song by Billy Joel released as the second single from his album The Bridge.
The song was the second top 10 single from the album, after the previous single "Modern Woman." The song's music video, directed by Russell Mulcahy, features Joel and his band performing in the basement of a building on St. Mark's Place in New York City's East Village and also features shots of various people in the city who eventually gather round the building's windows to see Joel perform. Most appear to be enjoying the concert except one woman on a fire escape who yells at them to "Shut Up!", however she is ignored and even members of the NYPD don't mind. His then-wife Christie Brinkley appears in the video holding their baby daughter, Alexa. The song differs from most Joel songs in that it is based on electric guitar rather than piano, which gives it a hard rock edge compared to his usual soft rock balladry. The song gained major traction in the Soviet Union as part of a state-sponsored television promotion of Joel's songs in preparation for his 1987 USSR concerts, recorded on Kontsert.