Songbook issue(we never ever change style in old entry)

[NICKY]

I bought pa4x about 2 weeks ago
When I choose a new style in songbook ,pa4 creates automatically a New Song, and I unable to modify old entry and the other parameters of it.
Please please please fix this problem in next os
And also when choose a entry from songbook,sound changed base on sts1 and i dont want to change my last sound
Sorry for my poor english
Best regard