Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/4
M:2/2
K:G
['B A B/A/ G E']  
X:1
L:1/4
M:2/2
K:G
"G" B c/B/"D" A B/A/ |"Em" G E B, D | E/G/ B B c |"D" A3 G/A/ |"Em" B c/B/"D" A B/A/ |"C" G E G A | 
"G" B/c/ B"D" A F |1"C" E3 d :|2"C" E3 D/E/ |:"D" F2 A3/2 F/ |"G" G B d g |"C" e g/e/"G" d B/G/ | 
"D" A3 D/E/ |"D" F2 A3/2 F/ |"G" G A B d |"Am" A B/A/"G" G D |1"C" E2 D E :|2"C" E4 |]  