Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/16
Q:1/4=120
M:2/4
K:G
['', '(dc)S BGGG G2>uc2 BGGA Bdgd BGGG G2>uB2', 'ABcd Bddd d2>c2 Bdef'  
X:1
L:1/16
Q:1/4=120
M:2/4
K:G
"^Irish Reel." (dc)S |: BGGG G2>uc2 | BGGA Bdgd | BGGG G2>uB2 | AGFG ABcd :| Bddd d2>c2 | 
 Bdef gfgd | Bddd d2>B2 | AGFG ABcd | Bddd d2>c2 | Bdef gfga | bgaf gfec | AGFG ABcd |]  