Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:6/8
K:Emin
['B3 dBA BAG E3', 'e2 f gfe f3']  
X:1
L:1/8
M:6/8
K:Emin
 B3 dBA | BAG E3 | D2 E FAB | d3 fed | B3 dBA | BAG E3 | DEF ABF |1 ADF E3 :|2 ABd e3 || e2 f gfe | 
 f3 baf | efg fed | B3 ABd | e2 f gfe | f3 baf | def abf | adf e3 | e2 f gfe | f3 baf | efg fed | 
 B3 ABd | e2 f gfe | f3 edB | ABd BAF | ADF E3 ||  