Construct tuneful phrases by integrating the assigned musical pattern and given theme.
X:1
L:1/8
M:2/4
K:G
['B2 A2']  
X:1
L:1/8
M:2/4
K:G
 B2 A2 | GF/ED/D | GGAd | B2 z2 | B2 A2 | GF/E/DD | GGAd | B2 z G/A/ | BBBc/B/ | AAAB/A/ | 
 GGGA/G/ | FFFD | GGAA | Bz/c/dB | A2 G z |]  