Craft a composition that integrates the assigned alphabet-related musical pattern and the provided melodic theme.
X:1
L:1/8
M:4/4
K:C
['c2 ec B2 dB AGAB AGEF GAGE', 'z2 GABc d2 ef gage dBGB c2', 'c2 ec B2 dB AGAB AGEF GAGE', 'GABc d2 ef gage dBGB c2 ec']  
X:1
L:1/8
M:4/4
K:C
[M:2/2][K:G] Padd ed !fermata!Peave e!p! uf uceed!p! uad!p!aed e ecd edg c f Cea f[Q:1/8=180] c2 ec B2 dB | 
 AGAB AGEF | GAGE DEGB | AGAB AGEG | c2 ec B2 dB | AGAB AGEF | GAGE DEGA | BGAF G2 z2 || 
 GABc d2 ef | gage dBGB | c2 ec B2 dB | AGAB AG E2 | gfgd efge | dcBG AGEF | GAGE DEGA | BGAF G4 |] 
"^alternate version (\"double\")" c2 ec B2 dB | AGAB AGEF | GAGE DEGB | AGAB AGEG | c2 ec B2 dB | 
 AGAB AGEF | GAGE DEGA | BGAF G2 z2 :| GABc d2 ef | gage dBGB | c2 ec B2 dB | AGAB AG E2 |1 
 GABc d2 ef | gage dBGB | c2 ec B2 dB | AGAB GDEF :|2 gfgd efge | dcBG AGEF | GAGE DEGA | 
 BGAF G4 |]  