Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:4/4
K:G
['G2 B2']  
X:1
L:1/8
M:4/4
K:G
 B4 B<BA>AAA/E/ G2 | B2 B2 BA/E/ G2 | GB A2 GE/G/ A2 | GEBAdB A2 | BBd/dB/AA/E/ G2 | B2 B2 BA G2 | 
 BB B2 B3/2 z/ | A2 B2 AA/G/ E2 G z | B2 AGAA/A/ A2 B z | A2 B2 EG | AE G2 | B2 AGGG/G/ | B2 B z | 
 A2 B2 B2 | AEG z | B2 BA G2 B2 A2 GE/G/ A2 | GEBAdB A2 | d/dB/B/BB/AA/E/ G2 | B2 B2 BA/B/ G2 |]  