Develop musical creations that incorporate the designated chord alterations.
'Em', 'Bm', 'Em', 'Bm', 'Em', 'Bm', 'Em', 'Bm', 'D', 'Em', 'D', 'Bm', 'D', 'Em', 'D', 'Bm', 'D', 'Em'  
X:1
L:1/8
M:4/4
K:Emin
|:"Em" E2 F/E/D E2 FA |"Bm" BFAF DEFA |"Em" B3 d efed |"Bm" BBAF DEFD |"Em" E2 F/E/D E2 FA | 
"Bm" BFAF DEFA |"Em" BABd efed |"Bm" B2 AF"D" FEEA ::"Em" Beed Befe |"D" BdAF DEFA | 
"Bm" f2 fe f2 fe |"D" dBAF DEFA |"Em" Be e2 Befe |"D" BdAF DEFA |"Bm" f2 fe defe | 
"D" (3Bcd AF"Em" E3 z :|  