Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:6/8
K:C
['E C2 F (E/F/G)E cGE CDE F>(GA/B/)', 'gec agf edc'  
X:1
L:1/8
M:6/8
K:C
 E | C2 F (E/F/G)E | cGE CDE | F>(GA/B/) cGE | dDD D2 f | (Te>dc) GEG | CEG cGE | Aag{f} e2 d | 
 ecc c2 :| e | (c>de/f/) gec | agf edc |{c} (BAG) (G>AB/c/) | dBG G2 e | (c>de/f/) gec | agf edc | 
 Aag{f} e2 d | ecc c2 e | c>(de/f/) gec | agf edc |{c} (BAG) (G>AB/c/) | dBG G2 g | afa geg | 
 fdf edc | Aag{f} e2 d | ecc c2 |]  