Write musical works that keep the predetermined structure and weave in the given motif
X:1
L:1/8
Q:1/2=90
M:2/2
K:C
['F2 AF E2 AG FGEF D2 A2', 'fgfg efef'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:C
 C |[K:D]"^a hornpipe" AG | F2 AF E2 AG | FGEF D2 A2 | B2 c2 d2 ed | cdBc A3 G | F2 AF E2 AG | 
 FGEF D2 A2 | Bcde fedc | d2 d2 d2 :: g2 | fgfg efef | fgfg efef | dede cdcd | dede cdcd | 
 BcBc ABAB | BcBc ABAg | Bcde fedc | d2 d2 d2 :|  