Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:2/2
K:D
['Ac ||{c} d2', 'geag fedf', 'd2 ef geag fedf', 'efed B z BA', 'E ABAG E2 ED |1 =CDEC{^D} [DD]4']  
X:1
L:1/8
M:2/2
K:D
 Ac ||{c} d2 ef geag | fedf eAec |{c} d2 ef geag | fedf [Ae]3 c |{c} d2 ef geag | fedf eA [Ae]2 |: 
 efed B z BA | GAB^c d B2 B | efed B z BA |1 GABG{^G} [AA]4 :|2 GABG{^G} [AA]2 Ac || Ac | 
{c} d2 ef geag | fedf eAec |{c} d2 ef geag | fedf [Ae]3 c | d2 ef geag | fedf eA [Ae]2 |: 
 efed B z BA | GAB^c d B2 B | efed B z BA | GABG{^G} [AA]4 :: ABAG E2 ED | =CDEF G E2 E | 
 ABAG E2 ED |1 =CDEC{^D} [DD]4 :|2 =CDEC{^D} [DD]2 Ac ||  