Create a piece of music utilizing the given motif and adhering to the specified structure.
X:1
L:1/8
M:4/4
K:Bb
['dbca BgAf GeFd EcDB F2 (GA) |1,3', 'G>AB>c d>cA>^F'  
X:1
L:1/8
M:4/4
K:Bb
|: dbca BgAf | GeFd EcDB | F2 (GA) |1,3 BdcB | ABcd efga :|2,4 BdcA | B2 d2 B2 :: 
 G>g (3g^fg b>g (3gfg | d>^cd>e d>cB>A |1,3 G>AB>c d>cB>A | G>AB>c d>cA>^F :|2,4 G>AB>c d>cA>^F | 
 G>BA>^F G2 :|  