<P> `` Things Ai n't What They Used to Be '' is a 1942 jazz standard with music by Mercer Ellington and lyrics by Ted Persons . </P>
<P> `` Things Ai n't What They Used to Be '' is a 1942 jazz standard with music by Mercer Ellington and lyrics by Ted Persons . </P>
who wrote things ai n 't what they used to be
who wrote things ai n 't what they used to be
music by Mercer Ellington lyrics by Ted Persons
music by Mercer Ellington lyrics by Ted Persons