Design a piece of music by fusing the provided alphabetic indicator and the predetermined tune.
X:1
L:1/8
Q:1/2=100
M:4/4
K:G
['g2 dB cAAc', '(GB).B.B (Ac).c.c', 'g2 bg']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:G
 g2 dB cAAc | BGGB AFDA | g2 dB cAAc | BGAF G2 G2 :: (GB).B.B (Ac).c.c | (Bd).d.d gdBG | 
 (GB).B.B (Ac).c.c | BAGF G2 G2 :: g2 bg fafd | g2 bg a2 f2 | g2 bg fafd | gdcB"^DC" B2 A2 :|  