Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:2/2
K:G
['G2 AGAB', '']  
X:1
L:1/8
M:2/2
K:G
 D |:"G" G2 GB"D" AGAB |"G" G2 GB"^(Bm)" dedB |"Em" G2 GB"Am" AGAB |1"D7" GEDE"^(G)" GAGD :|2 
"G" dBGB"D7" de dB |:"G" dege"D" agfd |"C" efge"D" af"G" g2 |"G" dege"D" agfd | 
"G" edBd"D7" ef"G" g2 :|  