Create music by using the provided motif and adhering to the specified musical form.
X:1
L:1/8
Q:1/4=120
M:2/2
K:Bb
['d4 B4', 'd c c c2 d f f2'  
X:1
L:1/8
Q:1/4=120
M:2/2
K:Bb
"^Sostenuto."!f! d4 B4 | F B- B4 z2 | d4 B4 | c c- c4 z2 | d4 B4 | e e- e4 z | e | d3 d c3 c | 
 B6 z2 |:"^Allegro." d3/2 c/ B c d d d | c c c2 d f f2 | d3/2 c/ B c d d d2 | 
"^Ritard molto." c3/2 c/ d"^Repeat pp" c B4 :|  