Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:4/4
K:Dmix
['cBcd cAAB cAAG EG G2 Add^c d2', 'eg g2'  
X:1
L:1/8
M:4/4
K:Dmix
 cBcd cAAB | cAAG EG G2 | Add^c d2 ec | dcAG FGAB | cded cAAB | c/B/A AG EGGE | D2 ED EA A2 | 
 dcAG F/G/A D2 :: eg g2 ag g2 | eg g2 edBd | ea a2 agag | eaag edBd | eg g2 ag g2 | effe defg | 
 affe fdee |1 dcAG F/G/A D2 :|2 dcAG FGAB ||  