Art Calevas, 57, a musician and a vocal instructor who coached many notable singers, died Thursday at Suburban Hospital in Bethesda after an apparent heart attack.

As master of the Art Calevas Music Studio here, he coached Goldie Hawn, Charlie Byrd, Edith Piaf, Nat (King) Cole, Bobby Darin, Jerry Vale, Patti Page and Liza Minnelli.

Born in Norfolk, Va., Mr. Calevas arrived on the Washington music scene at the age of nine, playing the violin and singing on a weekly radio program on WOL. While earning a bachelor's degree in music from Duqusne Unversity in Pittsburgh. Mr. Calevas worked as asinger for radio station KDKA, where he was featuted on as many as six broadcasts a week. He sang in seven languages.

He served in World War II in the Army Air Transport Command as an aerial engineer, then transferred to the North African Division, ATC Orchestra. He traveled with the orchestra through India, Burma, China, Africa and the Middel East. A highlight of the tour was a command performance before King Farouk of Egypt.

After the war, he recorded Greek tango records for a time and organized the Art Calevas Trio with Charlie Byrd on guitar. Later he joined the Evelyn Tiner Trio, which played the Statler Hotel.

Branching out as an orchestra leader he led orchestras at the Quonset and the 5 O'Clock clubs.

Mr. Calevas owned the Kensington Music Co., which operated the Art Calevas Orchestra, a booking agency a vocal studio and a retail music store.

He later moved in studio from Kensington, and for the last 10 years was based in Chevy Chase.

Me. Calevas was active for many years in the local musician's union and was a member of St. Sophia's and was a member of ST. Sophia's Greek Orthodox Cathedral.

He is survived by his wife, Ramona, of the home in Chevy Chase; two brothers, Georga A., of College Park, and Harry A., of Sumner, and a sister, Zoe C.Blacwood, of Arlington.