What are the two ways in which composers can alter the melody in theme and variation form?

Who coined the phrase "Lamb of God" to refer to Christ?

What will be an ideal response?

The bandleader and drummer who hired many of the players who were to become participants in the

hard bop renaissance since 1980 was

a. Wynton Marsalis b. Art Blakey c. Wallace Roney d. Randy Brecker