Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
M:2/2
K:A
['f2) abaf (fg)ee', 'BcAA cAcA E2 (!slide!=c2 ^c)AcA'  
X:1
L:1/8
M:2/2
K:A
 !slide!a2- | aeaa ffee | afa(a f2) !slide!a2- | abaf (fg)ee | ceBB A2 !slide!a2- | aea(e f)fee | 
 afa(e f2) !slide!a2- | abaf (fg)ee | ceBB A4 || !slide!cAcA BcAA | cAcA E2 (!slide!=c2 | 
 ^c)AcA BcAA | FEFF A2 (=c2 | ^c)AcA BcAA | cAcA E2 (!slide!=c2 | ^c)AcA BcAE | FEFF A2 ||  