Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:4/4
K:C
['DFA def edc dAF', 'e fga d2 e faa agf gbg']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] f[Q:1/8=160] .E | DFA def | edc dAF | G2 G FAF | EDE GFE | DFA def | edc dAF | 
 Bcd ecA |1 dfe d2 :| e | fga d2 e | faa agf | gbg ege | cec ABc | dfd A2 G | F2 G Adc | Bcd ecA |1 
 dfe d2 :|2 dfe d3- | d6 |]  