Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:4/4
K:D
['f (ed) (e/f/g) e3', 'd (cB) (AB) (cd) (ef) (ga/g<f)g/ e3']  
X:1
L:1/8
M:4/4
K:D
 D | F2 A2 d3 f | (ed) (e/f/g) e3 G | F2 A2 (c>dc) (c/B/) | (A3 B) D3 D | (GF) A2 (d2 e) f | 
 (ed) (e/f/g) e3 A | (GF) A2 (d>ed) (c/B) | (A3 B) D3 || d | (cB) (AB) (cd) (ef) | 
 (ga/g<f)g/ e3 A | (de) (fg) (a>ba>)g | (f3 g/e/) d3 d | (cB) (AB) (cd) (ef) | (ga/g<f)g/ e3 G | 
 (GF) A2 (f>ed) (c/B/) | (A3 B) D3 ||  