Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
Q:1/4=120
M:2/2
K:C
['gage dcA([de-] [ee]) e2']  
X:1
L:1/8
Q:1/4=120
M:2/2
K:C
"^Fast" g2- gg gagg | !slide!gfed c2 cc | aaab a2 gg | gfed c2 c2 | 
 !slide![ee]2 [ee]2 !slide![ee]2 [ee]g | gage dcA([de-] | [ee]) e2 ([de-] [ee]2) eg | 
 gage dcA([de-] | [ee]) e2 ([de] c2) cc | GG A2{GF} ED C2 | ([G-B][Gc])[Gc][Gc] G2 (3GAB | 
 [Gc][Gc][Gc][Gc] AGEF | GG[GB][GB] (AB)[GB][GB] | [Gc][Gc]AG EDCD | [Gc][Gc][Gc][Gc] GGAB | 
 [Gc]2 [Gc][Gc] [GA][GA]EF | GG[GB][GB] (AB)[GB][GB] | [Gc][Gc]AG EDCe ||  