Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:5/4
K:G
['G G']  
X:1
L:1/8
M:5/4
K:G
 D | G G B2 G | F A c2 A | G G B2 G | F A z z D | G B d2 d | c c E3/2 F/ G | A A D2 F | 
 A G z z"^Chorus" D | G G G B G | F A c B A | G G G B G | F A z z D | G B d2 d | c c E3/2 F/ G | 
 A A D F A | A G- G2 |]  