Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:2/4
K:D
['ag/f/ ea df Aa ce', 'e>g bA d>f a/^g/a ag/f/']  
X:1
L:1/8
M:2/4
K:D
 ag/f/ ea | df Aa | ce Aa | df Af/g/ | ag/f/ ea | df Aa | ce d/g/f/e/ | !fermata!d3 z || e>g bA | 
 d>f a/^g/a | ag/f/ ea | f>B A2 | e>g bA | d>f a/^g/a | ag/f/ ef | !fermata!d3 |]  