Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/8
M:2/2
K:E
['c BEGE BEec BEGB cFFc BEGE eagf', 'egfg ecBG']  
X:1
L:1/8
M:2/2
K:E
 c | BEGE BEec | BEGB cFFc | BEGE eagf | ecBA GEE :| B | egfg ecBG | efge fFFd | egfg ecBG | 
 AcGB eEEd | egfg ecBG | egfe fFFG | GDGB AFAB | cBcf eEE ||  