Utilize the given musical motif and the alphabetic representation of the specified sequence to create a musical piece.
X:1
L:1/8
M:4/4
K:D
['A d2 f af d2']  
X:1
L:1/8
M:4/4
K:D
"D" A d2 f af d2 | f/g/a gf f2"A" e2 |"D" A d2 f af d2 |"G" B/c/d AG G2"D" F2 | 
"D" DFAd"Bm7" fd B2 |"Em" GBdf"A" ge c2 |"F#m" aefc"Bm" dB"Edim"c^A |"Em" BdcB"Edim" ^A4 :: 
"B7" affe ^d3 =c | BAGF"Em" G3 e | geed"A7" c3 B | AGFE"D" D3 E |"D" DA,DF"Bm7" dAGF | 
"Em7" GBdf"A7" gedc |"D" fafd"A" AecA |"Em" Bd"A"AC"D" D4 :|  