Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:3/2
K:Emin
['GA GA', 'F2 AB GE DE GF EF GA', 'ef gf', 'g2 fg ed', 'F^G AG', 'A2 ^GA', 'F^G AG', 'A2 ^GA']  
X:1
L:1/8
M:3/2
K:Emin
 EF GA BA GA GA F2 | GA GA GA BA GA F2 :| AB GE DE GF EF GA | BG AG Ac BA A2 :| e2 ef gf eb ag fg | 
 eB ef gf de fg fd | e2 ef gf eb ag fg | e2 ed BA Bc de fd :| g2 fg ed ef gf ed | 
 g2 fg ed eb ag fd | g2 fg ed ef gf ed | eb ag cb ag fd ef | g2 fg ed ef gf ed | 
 g2 fg ed eb ag fd | g2 fg ed ef gf ed | ef ga bd cb ag fg :| FB BA c2 BA ^GE FE | 
 F^G AG E2 F^G AG BA | FB BA c2 BA ^GE FE | F^G AG BA ^GA GE FE | FB BA c2 BA ^GE FE | 
 F^G AG E2 F^G AG BA | FB BA c2 BA ^GE FE | F^G AG BA ^GA GE FG || A2 ^GA FE F^G AG FE | 
 A2 ^GA cB ^GB AG FE | A2 ^GA FE FA ^GA FE | FB BA ^GE F^G AG FE :| FB BA c2 | BA ^GE FE | 
 F^G AG E2 | F^G AG BA | FB BA c2 | BA ^GE FE | F^G AG BA | ^GA GE FG || A2 ^GA FE | F^G AG FE | 
 A2 ^GA cB | ^GB AG FE | A2 ^GA FE | FA ^GA FE | FB BA ^GE | F^G AG FE :|  