Create compositions based on the given chord modifications.
'G', 'D7', 'G', 'Am', 'Am', 'G', 'D7', 'G', 'Am', 'G', 'D7', 'G'  
X:1
L:1/16
M:2/4
K:G
 (3DDD |"G" D2DG BDGB | d6 DD | D2B2 A2G2 |"D7" G2F2 F2DD | D2DF ADFA | d6 DD | D2c2 B2A2 | 
"G" A2G2 G2(3DDD | D2DG BDGB | d6 (3EEE |"Am" E2EA cEAc | e6 z2 ||"Am" A^GAB c2e2 |"G" GFGA B2d2 | 
"D7" Fdcd Fdcd |"G" G2e2 d4 |"Am" A^GAB c2e2 |"G" GFGA B2d2 |"D7" f2>e2 dcBA |"G" G2B2 G2 z2 |]  