She recorded songbooks of the music of Cole Porter, Irving Berlin,Duke Ellington, Jerome Kern,Johnny Mercer and Harold Arlen.

VOA: special.2010.07.04

Like Sophie Milman, singer Roberta Gambarini is at her best singing the music of Cole Porter,Harold Arlen, Johnny Mercer and other great American composers.

VOA: standard.2009.12.23

Lyricist Johnny Mercer was one of the world's most prolific composers, turning out more than 1,500 songs, including a classic he co-wrote with Harold Arlen, "That Old Black Magic."

VOA: standard.2010.04.12

The "songbook" albums in which Ella Fitzgerald recorded her interpretations of the collected works of such classic songwriters as Harold Arlen, George Gershwin and Johnny Mercer were Granz's idea.

WSJ: The Forgotten Man of Jazz | Sightings by Terry Teachout

It remained for the 1939 MGM version to add the image of the rainbow to the iconography (courtesy of lyricist Yip Harburg), to make the whole story a Technicolor dream and, most significantly, to saturate the entire narrative in one of the most glorious scores (by Harburg and composer Harold Arlen) of any film or show.

WSJ: The Road Well-Traveled: Oz the Great and Powerful