true or false 1.Melody refers to the pleasing, recognizable succession of tones in a song.It is an expression of musical signs. 2.The key of C does not have any sharp or flat. 3.The first note in the key of C is found in the ledger line. 4.The musical compositions are made up of notes and rests and other musical signs. 5.The key of G major has sharp(#) at the fifth line of the staff. 6.The key major has one flat it means that the pitch is lower by one step.