Compose a musical piece utilizing the given motif as the foundation while maintaining the required musical form.
X:1
L:1/8
M:2/2
K:D
['[df]- [df]efg f2 ed dde(d B2) ([de-]2', 'a(fb)a a2'  
X:1
L:1/8
M:2/2
K:D
 [df]- | [df]efg f2 ed | dde(d B2) ([de-]2 | [ee])[ef][ee]-[ef] [ee]dBc | dBAF D2 [Af]2- | 
 [Af]2 fg f2 e2 | dded B2 ([de-]2 | [ee])fed B2 c2 | d(BA)F D2 || (fa-) | a(fb)a a2 fe | 
 dde(d e2) ff | a(fb)a a2 fd | edf(d [df]2) (fa-) | a(fb)a a2 fd | ddfd e2 ff | a(fb)a a2 fd | 
 edf(d [df]2) ||  