Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:4/4
K:Bb
['f c2 f', 'f cFf c2 f'  
X:1
L:1/8
M:4/4
K:Bb
"^A""^gehobene Stimmung / gross und weit"!f! F | (!>!!fermata!B3 B) (3cde | 
 (!>!!fermata!f3 !breath!f2) d | f e c d B c F | (!>!!fermata!B3 !breath!B2) f | c2 f c2 f | 
 B>cd F2!mp!"^Echo" f | c2 f c2 f | (!>!!fermata!B3 !breath!B2)!f! F | (!>!!fermata!B3 B) (3cde | 
 (!>!!fermata!f3 !breath!f2) d | f e c d B c F | (!>!!fermata!B3 !breath!B2) z ||[M:6/8]"^B"!f! f | 
 cFf c2 f | BFf B2"^Echo"!mp! f | cFf c2 f | (!>!!fermata!B3 !breath!B2)!f! F2 | 
 (!fermata!B3 B) (3cde | (!fermata!f3 !breath!f2) d | f e c d B c F | 
 (!>!!fermata!B3 !breath!B2)!ff! Fd | cFf cFf | (!>!!fermata!B3 !breath!B)!mp!"^Echo" Fd | 
 cFf cFf | (!fermata!B3 !breath!B)!ff! z/ F/d/F/ | (!fermata!B3 !breath!B)"^Echo"!mp! z/ F/d/F/ | 
 (!>!!fermata!B3 B) z z |]  