Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:3/4
K:F
['GG G2 FG AA A3 B cc']  
X:1
L:1/8
M:3/4
K:F
 c | cBA A2 G | FF F2 (EF) | GG G2 FG | AA A3 B | cc c2 | BA | dB G2 AB | cc d2 dc | AG F2 cB | 
 AA A2 AG | FF F2 | EF | GG G2 FG | AA A3 B | cc c2 BA | dB G2 AB | cc d2 | dB | AG F3 ||  