Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:C
['cBGF DEFD G2 DG BcdB cBGA', 'Gc c2']  
X:1
L:1/8
M:4/4
K:C
 cBGF DEFD | G2 DG BcdB | cBGA Bcde | f2 ed cedB | cBGF DEFD | G2 DG BcdB | cBGA Bcdc | 
 BGFD ECCB :: c2 ge fdcd | cBGF DEFD | Gc c2 gceg | fdcB Gc c2 | Ecde fedc | _BdGA B3 c | 
 dggf defa | g^fdc =BG (3Bcd :|  