Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
Q:1/4=120
M:2/2
K:D
['a2 aa a2', 'ABAG FE D2']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:D
"^Quick" f3 e f2 f2- | f2 d2 e2 f2 | a2 aa a2 b2- | baba fefg | a2 aa a2 fa- | abaf e2 d2 | 
 f2 a2 bafe | dBAF =FE D2 :: !slide![DD]3 D D2 [FA]2 | ABAF EDB,C | !slide![DD]3 [DE] [DD]2 [DD]2 | 
 ABAG FE D2 | [DD]2 [DD]2 !slide![DF]2 [DF]2 | ABAF EDB,C | [DD]3 [DD] ([D-E][DF]) [DF]2 |1,2 
 ABAG FE D2 :|3 ABAG FDde ||  