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Tiny bodies require tiny props.  I often use my stuffed eyebags as a cushion to imrove neck alignment or pelvic tip in supine.  Fabric belts make perfect yoga straps for tiny hands.  Soft lap blankets are perfect for Savasana and even cover the tiny toes up to their nose. 
 
 
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One of my favorite tracks for yoga music is "Drum Medicine" by David & Steve Gordon.  This CD lends itself well to any form of vivid drum beat, such as first chakra work.
Add a flute for oral-motor/breath work and you have continued the theme.
Another beautiful CD is Carlos Nakai's new work with William Eaton and Will Clipman titled "Dancing into Silence".  This track is soft and flowing.
How about teepee pose to finish the theme?