Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
['.G.A .B2 .B.A', '(ed) .d2']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
"^Joyously" .G.A | .B2 .B.A | .B.d (dG) | .B2 B>A | .G2 .G.A | .B2 .B.A | (Bd) (dG) | .B2 B>A | 
 .G2 z2 || g2 g2 | (ed) .d2 | (BA) .B.d | (ed) d2 | !>!g2 !>!g2 | (ed) .d2 | .B2 B>A | G2 |]  