When I am browsing the music on my 4.3 screen that is connected to my ipod, I search through the artist button and if i click on an artist, then the album, then the songs, and start listening to a song, if I want to go back to look at the songs, albums etc, I have to start the process from the beginning, and scroll through everything all over again, since I have a lot of music this is quite a task, is there no "previous screen" or "back" button??