Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
Q:1/4=88
M:2/4
K:G
['DGGB AGGg dBBG AE E2 DGGB AG', 'G2 gage dBBg dBBG AE E2 gage', 'g2 bgdg bgdg gdBG AE E2 DGGB']  
X:1
L:1/8
Q:1/4=88
M:2/4
K:G
 DGGB | AGGg | dBBG | AE E2 | DGGB | AG g2 | dB d/c/B/A/ | G2 G2 :| gage | dBBg | dBBG | AE E2 | 
 gage | dBgb | agab | g2 g2 :| bgdg | bgdg | gdBG | AE E2 | DGGB | AG g2 | dB d/c/B/A/ | G2 G2 :|  