This BUNDLE contains all 5 Jaw Vowel Combo Exercise Albums.  Allowing you to increase your practice tempos as needed, without paying for individual tempo albums. 
 
SWAL Jaw/Vowel Exercises help you practice proper spacing and jaw extensions on singing vowels.  There's way more than 5 vowels you should be focused on when singing!  And learning to enunciate them clearly and effortlessly, without tongue, face, or jaw tension will seriously level up your singing game.