sliding Ooh's Crescendo to Decrescendo

sliding Ooh's Crescendo to Decrescendo a song by The Vocal Academy on BeMusic

1-8-5-3-1 Dynamics Exercise by The Vocal Academy,
Crescendo to Decresendo on 1-2-3-4-5 by The Vocal Academy,
sliding Ooh's Crescendo to Decrescendo by The Vocal Academy,
1-8-5-3-1 on Ooh by The Vocal Academy,
5-4-3-2-1 on Ooh by The Vocal Academy,
9 Scales on Ooh by The Vocal Academy,
ABC's by The Vocal Academy,
Easy Oohs with vowel changes by The Vocal Academy,
Vowel arpeggios with sustain by The Vocal Academy,