Songs should have an infectious melody and rhythm and, I think, should elicit an emotion of happiness or of celebration or of sadness or of sorrow or of love or laughter, whatever.
A jazz tune, melody, or composition is usually based on either a traditional twelve-bar, eight-bar, or four-bar blues chorus or on the thirty-two-bar chorus of the American popular song.
The creative process is mysterious; a conversation, a ride in the car, or a melody can trigger something.
I get mad about something, and then I have this melody in my head, and then afterwards, the lyrics come.
Lyrics are kind of the whole thing; it's the message. Something might have a beautiful melody but if it's not the truth coming out of your mouth, it's not appealing.
Of all the soul divas, Gladys Knight was the one for me. Knight's always been about tone and heart, none of the big showboating or extraneous doodling. She nailed a melody and only played a little around the edges like Ma Staple.
Often the 'lead' of a classical song will have something really cool to its melody that - even though it might be a violin or something doing it in the song - I end up wanting to try something like that with my voice.