Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/2=90
M:4/4
K:C
['B2 e2 d2 cB A2 BA GFED', 'ed e2 fe dcBA'  
X:1
L:1/8
Q:1/2=90
M:4/4
K:C
 C |[K:G]"^64...Harmonious Blacksmith" B2 e2 d2 cB | A2 BA GFED | GDGB AGAB | GDGB AGAB | 
 B2 e2 d2 cB | A2 BA GFED | c2 BA B2 AG | EGFA G4 :: d2 g2 f2 ed | e2 fe dcBA | dAdf edef | 
 dAdf edef | d2 g2 f2 ed | e2 fe dcBA | g2 fe f2 ed | Bdce"^D.C." d4 |]  