Develop an original musical piece that integrates the given alphabet sequence and motif.
X:1
L:1/8
M:2/2
K:D
['D2 FD', 'A2 FA']  
X:1
L:1/8
M:2/2
K:D
 D2 FD ADFD | Addc de f2 | D2 FD ADFA | (3Bcd AF EDB,C | D2 FD ADFD | Addc defg | a3 f gfef |1 
 dBAF GFEF :|2 dBAF Egfe |: d3 B A2 FA | A2 FA DAFA | dedB A2 FA | (3Bcd AF GFEF | d2 Ad BGdB | 
 A2 FA ABde |1 fdde dcBA | GFED CEA,e :|2 fdde d2 (3ABc | dBAF GFEF ||  