Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/16
M:3/8
K:F
['|{G} FEFAGE', '[FA][GB] [Ac]2[Ac]2[Ac]2 [df]4 ed cdcBAG']  
X:1
L:1/16
M:3/8
K:F
 C2 |{G} FEFAGE |{G} F2E2F2A2G2E2 |{G} FEFGAB | cdcBAG |{G} FEFAGE |{G} FEFAGE | FAcfGE | F4 :: 
 [FA][GB] | [Ac]2[Ac]2[Ac]2 | [df]4 ed | cdcdcA | [CG]4 [FA][GB] | [Ac]2[Ac]2[Ac]2 | [df]4 ed | 
 cdcBAG | F4 :|  