Develop musical pieces that align with the given chord changes.
'G', 'D', 'C', 'Bm', 'Em', 'G', 'D', 'G', 'D', 'C', 'Bm', 'Em', 'G', 'Em', 'Bm', 'Em', 'D', 'G', 'Em', 'Bm', 'Em', 'D', 'G'  
X:1
L:1/8
M:4/4
K:G
|: ef |"G" gabg"D" fgaf |"C" efge"Bm" dBAG |"Em" EFGF EFGA |"G" BdBG"D" A2 ef |"G" gabg"D" fgaf | 
"C" efge"Bm" dBAG |"Em" EFGF EFGA |"G" [BG] [BG]2 [BG] [BG]2- :: [BG]2 |"Em" [EB]2 [eB]B dB[eB]B | 
 [EB]2 [eB]B"Bm" dBAG |"Em" [EB]2 [eB]B"D" d2 ef |"G" gbag edBG |"Em" [EB]2 [eB]B dB[eB]B | 
 [EB]2 [eB]B"Bm" dBAG |"Em" [EB]2 [eB]B"D" d2 ed |"G" BGAF G2 :|  