Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/2
K:Bdor
['eg f2 B2 B3 f', 'B2 b2', 'f2 B2']  
X:1
L:1/8
M:2/2
K:Bdor
 f3 a g2 eg | f2 B2 B3 f | fedc Bcde | (3fgf fa gfeg | f3 a (3gag eg | f2 B2 B3 f | edcB ABcd | 
 e3 c d2 e2 | f3 a (3gag eg | f2 B2 B3 f | fedc Bcde | f f3 f2 ga | bagb agfa | (3gag eg f3 e | 
 edcB ABcd | e3 c d2 (3cdc || B2 b2 f2 b2 | B2 b2 b4 | f2 bf Bcde | f3 g fedc | B2 b2 f2 b2 | 
 B2 b2 b4 | edcB ABcd | e3 c d2 (3cdc | B2 b2 f2 b2 | B2 b2 b4 | f2 bf Bcde | f2 (3fgf f2 ga | 
 bagb agfa | (3gag eg f3 e | edcB ABcd | e3 c d2 e2 || f2 B2 (3gag ec | f2 B2 Bcde | f3 g fece | 
 f3 g fece | (3fgf B2 (3gag eg | f2 B2 Bcdf | e3 f ecAc | e3 c d2 e2 | f2 B2 (3gag ec | 
 f2 B2 Bcde | f3 g fece | f3 e f2 ga | bagb agfa | (3gag eg f3 e | edcB ABcd | e3 c d2 e2 ||  