Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:4/4
K:C
['G2 ED', 'G2 egga g2 ed eaab a2 ge'  
X:1
L:1/8
M:4/4
K:C
[M:4/4][K:G] ua!p! aed a AABB da[Q:1/8=180].BGGF G2 ED | EAA^G A2 =GE | DEGA BAAc | BABd edgd | 
 BGGF G2 ED | EAAB A2 GE | DEGA Bdef | gedc BG G2 :| egga g2 ed | eaab a2 ge | dega bgaf | 
 gedc BG G2 | egga g2 ed | eaab a2 ge | dega bgaf | gedB A2 GA"_DC" |]  