Utilize the given musical motif and the alphabetic representation of the specified sequence to create a musical piece.
X:1
L:1/4
M:2/2
K:D
['.F15 .D15']  
X:1
L:1/4
M:2/2
K:D
 z2 D F | A/ A G/ F G | A z D/D/ F | A/A/ A/A/ G F/ D/- | D z D F | A A2 G | 
 (F/ D3/2) (3F15 .F15 .D15 .F15 .D15 .C15 | .D4 | z2 A2 | d4- | d (=c) A c | d4 | z2 D F | A A2 G | 
 F/ D3/2 (3F15 .F15 .D15 .F15 .D15 .C15 | .D4 | z4 |]  