Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=130
M:2/4
K:A
['a>gf>e f>ed>c', 'f>de>c d>B'  
X:1
L:1/8
Q:1/4=130
M:2/4
K:A
 a>gf>e | f>ed>c | a>gf>e | f2 e2 | a>gf>e | f>ed>c | d>Bc>d | B2 A2 :: E>Bc>B | d>cB>A | f>de>c | 
 d>B c2 | G>AB>c | d>Bc>A | f>de>c | d>B A2 :|  