Compose a tune that integrates the letter-based representation of the determined musical pattern and the given melodic idea.
X:1
L:1/16
M:2/4
K:G
['GGGG F2F2', 'G6 BBBB G2B2 e2d2 B4 gdBG FGAB']  
X:1
L:1/16
M:2/4
K:G
 GGGG F2F2 | E2E2 D4 | BGFG c2A2 | E8 | AAAA G4 | F2F2 E4 | DDDD c2A2 | B2D2 E2>F2 | GGGG F2F2 | 
 EEEE D2D2 | BGFG g2f2 | e8 | AAAA e2e2 | BBBB d4 | EEEE F2F2 | G6 || BBBB G2B2 | e2d2 B4 | 
 gdBG FGAB | c2e2 E2>e2 | AAAA ^G2>A2 | f2e2 c2>A2 | eeee c2A2 | G2g2 DGBd | g2G2 BGAB | E2G2 D4 | 
 BGFG AGFG | e6 g2 | ffff e2e2 | dddd c4 | EEEE B2A2 | G6 ||  