bmaj Musical key with five sharps (abbr.) Key of Brahms's Piano Trio No. 1 Key for the theme song to "Ghostbusters": Abbr "La donna รจ mobile" is in it: abbr.[SEE NOTE ABOVE.] Key with five sharps: Abbr. Key using all the black keys: Abbr. Key using all the black keys, for short Key using all five black keys in its scale: Abbr