Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['B2 AG']  
X:1
L:1/8
M:4/4
K:G
"G" GDD"C"G GEE"G"G | GDDG ABdG |"C" e3"G" d4"G" B- | Bdde"D" FG A2 |"G" GDD"C"G GEE"G"G | 
 GDDG ABdg |"Em" e2"D" dB d2"D" e"F#/A" F- |1 F"G/B" G2"A/C" A2"D" BBA :|2 
 F"G/B" G2"A/C" A2"D" B2 E |:"C" c2 eg gff"D"e | edde"G" B2 AG |"D" AD D/D/D ADcD |"G" BGGA BGdG | 
"Am" c2 e"C"g gffe |"D" edde"Em" B2 AG |1"D" F A2 c2 d2 f- | f g2 a2 fdB :|2 
"D" F"D/E" A2"D/F#" c2"D/A" d2"D/B" f- | f"D/C" g2"D" a- a4 ||  