Create a tune following the given language-based musical structure.
'Sectional: Through Composed'  
X:1
L:1/8
M:2/2
K:D
 (3(ABc) |: d2 (FG) Adef | gfed fdBc | d2 (FG) A2 |1 (AB) | AGEG FDDA :|2 (ag) | faef d2 |] 
 (3(dfg) | afbf afdf | gfed cd (3(efg) | afbf afdf | abag fd (3(efg) || afbf afdf | gfed fdBc | 
 d2 FG A2 (ag) | faef d2 |]  