Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/2
K:D
['f2 (Tfe) d2 (ba) ^gaed ceAc eAce', 'B2 c2 Td2 (cB) BA^GA F2 (ed)'  
X:1
L:1/8
M:2/2
K:D
 (Tfe) | (df)(Ad) f2 (Tfe) | d2 (ba) ^gaed | ceAc eAce | dgba ^ga=gd | dfAd f2 (Tfe) | 
 d2 (ba) ^gaed | ceAc eAce | d2 f2 d2 || A2 | B2 c2 Td2 (cB) | BA^GA F2 (ed) | ceAc eAce | 
 dfba ^gafd | B2 c2 Td2 (cB) | BA^GA F2 (ed) | ceAc eAce | d2 f2 d2 |]  