Develop musical pieces that align with the given chord changes.
'D7', 'G', 'D7', 'G', 'D7', 'G', 'D', 'G', 'D7', 'G', 'B7', 'Em', 'B7', 'Em', 'B7', 'Em', 'Em', 'B7', 'Em', 'B7', 'Em', 'Am', 'Em', 'B7', 'Em', 'Em', 'D7', 'G', 'D7', 'G', 'D7', 'G'  
X:1
L:1/16
M:2/4
K:G
"D7" D2 |:"G" G8- | GDGA ^ABGD |"D7"{^G} A8 | z A^GA ^ABc^c |"G" d2cd c2B2 | TB2AB A2G2 | 
 ^cdd2 =fed2 |"D7" =c2{dc}B2 ^A2B2 |"G" G8- | GDGA ^ABGD |"D"{^G} A8 | z A^GA"^-> Coda" ^ABc^c | 
"G" d2cd c2B2 |"D7" B2A2 cBA2 |1"G" G8 | g8 :|2"B7" F2G2 ^A2B2 | B^AG2 GFE2 ||"Em" z2 EF G2^A2 | 
 B2^c2 dcB2 | ^c2 d6- | d8 | e2d2 ^c2>B2 | ^AB^cB AGFE | ^A2B2- B4- | B4"B7" z B,^C^D | 
"Em" E2EF G2^A2 | B2^c2 dcB2 | ^d2 e6- | e8 | e2d^c dcB2 | ^ABA2 GFE2 | E8- | E4"B7" z B,^C^D |] 
"Em" E2EF G2^A2 | B2^c2 dcB2 | ^c2 d6 |"^(B7)" z B^AB c^cd^d |"Em" ed^cB dcB^A | ^cB^AG AGFE | 
 ^A2 B6- | B4"B7" z B,^C^D |"Em" E2EF G2^A2 | B2^c2 dcB2 | ^d2e2- e4- | e8 |"^(F7)" e2d2 ^c2B2 | 
"B7" B^AG2 GFE2 | E8- | E2E2 G2B2 |:"Em" e2Be d^cB2 | ^A2{BA}G2 GFE2 | ^A2B2- B4 | z2 EG BEGB | 
 e2d2 ^c2B2 | B^AG2 GFE2 | F2G2- G4 | z2 E2 G2B2 | e2Be d^cB2 | B^AG2"^(E7)" GFE2 |"Am" ^G2A2- A4 | 
 c8 |"Em" ^AB^c2 BAG2 |"B7" B^AG2 GFE2 |1"Em" E8 | z2 E2 G2B2 :|2"Em" E4 _E4 |"D7" D4"^d.C." z2 |] 
"^Coda" ||"G" d2cd c2B2 |"D7" z d^cd ^de=f^f |"G" !fermata!g4"D7" !fermata!d4 |"G" !fermata!G8 |]  