Create a musical composition using the provided motif and the alphabet representation of the specified sequence.
X:1
L:1/8
M:4/4
K:Gmin
['BG g2 BG', 'f2 dB', '', 'dcB TA2 G', 'fdB TA2 F']  
X:1
L:1/8
M:4/4
K:Gmin
"_Slow" D | (GA)(Bc) d2 BG | g2 BG g2 BG | (FG)(AB) c2 AF | f2 AF f2 AF | GABc d2 ga | 
 b2 ag d'3 c' | (ba)(g^f) g2 (ce) | (dc)(BA) G3 :: A | (Bc)(de) f2 dB | f2 dB fFAF | 
 (Bd)(gb) (Bd)(fb) | (ge)(dc) B3 c | B2 (b/a/g) c2 (a/g/f) | (Be)(dG) (BA)(G^F) | 
 (Gg)(fd) (d2 c)e | (dc)(BA) G3 :|[M:6/8]"_Brisk" |: G3 B2 c | dcB TA2 G | GAG T^f2 g | 
 GAG T^f2 g | =F3 A2 B | cBA TG2 F | FGF T=e2 f | FGF =e2 f | G3 Bc | dcB TA2 G | GAB cd^F | 
 G3 g3 :: B3 d2 e | fdB TA2 F | fdB AcF | fdB TA2 F | B3 (bab) | B3 (bab) | fdB cAF | B3 b3 | 
 .d.d.d (g2 b) | .c.c.c f2 a | B3 edc | BAG T^F2 D | G3 B2 c | dcB AG^F | GAB cd^F | G3 g2 :|  