Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
['BdB GBd gdB', 'gdB gag gba gag gdB F/G/AB cde', 'gfe dBG GBG AFA cde dBG GBd']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:G
 B/c/dc BdB | GBd gdB | Bdc BdB | AFA cBA |"^5" Bdc BdB | GBd gdB | cac BgB | AFA cBA :| 
"^9" dgf gdB | gag gba | gag gdB | F/G/AB cde |"^13" dgf gdB | gfe dcB | cac BgB | AFA cBA :| 
"^17" dBG G/A/Bc | dBG gfe | dBG GBG | AFA cde |"^21" dBG GBd | gfe dcB | cac BgB | AFA cBA :|  