Develop a musical composition based on the provided pattern of letters and incorporating the given motif within it.
X:1
L:1/8
M:6/8
K:G
['dBe ABA']  
X:1
L:1/8
M:6/8
K:G
 B |"Am" c3{f} edc |"Am" edc"G" BAG |"Am" ABA{a}"G" g2 e |"G" eaa ged |"Am" c3{f} edc | 
"Am" edc"G" deg |"Em" age"G" dBe |"Am" ABA A2 :: f |"G" g3{a} gea | age edB |"Am" ABA{a}"G" g2 e | 
 aba gef |"G" g3{a} gea | age deg |"Em" age"G" dBe |"Am" ABA A2 :: B |"Am" c2 c"G" dcd | 
"Am" ecA AGE |"Am" c2 c"G" dcd |"Am" ecA A2 B |"Am" c2 c"G" dcd |"Am" e2 e"G" gab | 
"Em" age"G" dBe |"Am" ABA A2 :|  