Free Movie Ballad. What does "Free" mean?

[YammyFan]

One style which I use a lot on my PSR 970 and my PSR 750 comes from Eileen Lowrey's Styles 8. It shows up as 4/4 .  Does that mean that I cannot use it as a backing when I  play a waltz?  So what does "Free" mean?  I will try and attach it to this post.

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[andyg]

If it's a 'Freestyle' - ie no drums, guitars etc - then it effectively has no time signature or tempo.

I'm giving lesson in a few hours to someone who's using one of my Freestyles in an orchestral arrangement. Part of it is in 3/4, part in 6/8 and part in 2/4. The Freestyle covers them all perfectly. Although it has no tempo as such, he has lowered the indicated tempo down to a low value, so that the Harpeggio multi pad he's using runs nice and slow as well.

[YammyFan]

If it's a 'Freestyle' - ie no drums, guitars etc - then it effectively has no time signature or tempo. 
I'm giving lesson in a few hours to someone who's using one of my Freestyles in an orchestral arrangement. Part of it is in 3/4, part in 6/8 and part in 2/4. The Freestyle covers them all perfectly. Although it has no tempo as such, he has lowered the indicated tempo down to a low value, so that the Harpeggio multi pad he's using runs nice and slow as well.

Thank you Andyg for your answer. I'm pretty sure that if I prop a piece of sheet music in 4/4 time signature up on my PSR970 and use one of your Freestyles  then if I  switch on the ACMP, that I can play the melody of that piece of music with my right hand,  as a waltz and not upset any one dancing to a waltz.  I hope  I have got that right. !!
I have never played in a dance hall, so have not been able to ask .