garageband on ipad

Hi there, I have some speech that I am adding to a track in GarageBand IOS. I would like it to sound like the Movie Announcer - like “in a galaxy far, far away”… Can anyone recommend a way of altering the voice in GarageBand of another tool for creation. Many thanks for your help, Nigel.

Hi all, I have this strange problem with garageband/amplitube on my ipad. After exporting my song to an audofile (m4a) the guitar tracks (which I recorded through the amplitude app) sometimes dissapear, depending on what kind of speakers/headphones i use: when I play it on my Iphone or use my...