1.)  They all gave him a new alto saxophone.

2.)  His mom used to stay there and she lived in the room until she ran away from Herman.

3.)  Herman was the one who started all of the rock writings and collecting

4.)  Because Herman never new where his daughter ran to.

5.) Because Herman was never really nice to her and was very strict.

6.)  Because maybe he didn't want to make the same mistake as he did before, a little because maybe Bud looks a lot like his mother and Herman sees a lot of his mother in him.