Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/16
M:2/4
K:G
['dged z BGD EGD2', 'egdg egdg (ea)a2 |{a} gfge dgfd z']  
X:1
L:1/16
M:2/4
K:G
 B2GD EGD2 | z BGB dged | z BGD EGD2 |{a} gfge dged | z BGD EGD2 | z BGB dged | z BGD EGD2 | 
{a} gfge dged :: g2(dg) egdg | egdg (ea)a2 |{a} gfge dgfd | z ged (3Bcd (3def | g2(dg) egdg | 
 dgdg (ea)a2 | (3gab (3efg dged | z gdB (AB)g2 :|  