Thank you for your kind replies.
Yes, I did install the RealPAK after installing BIAB, and rebuilt the styles after that.
So, the RealPAK Rock-Pop 16 songs are using RealTracks that are not included in thisRealPAK? That is quite disappointing. I bought this pack because I wanted to use all the sounds of the YouTube demo:
https://www.youtube.com/watch?v=vRXFWKu-OXEHowever, watching the video (instead of only listening) a second time, I notice that it says "
This RealStyle also uses these previously released RealTracks:...". So, I cannot say that I have not been warned.
I cannot afford more packs because this is only a hobby, so I will have to find alternative RealTracks for these instruments