What is the keyboard shortcut to switch between next and previous Alternate Playlists from the Main Playlist on tracks containing an Edit selection?
1) Shift+Left/Right Arrow
2) Shift+Up/Down Arrow
3) Option+Shift+Up/Down Arrow (Mac) / Alt+Shift+Up/Down Arrow (Windows)
4) Command+Shift+Left/Right Arrow (Mac) / Ctrl+Shift+Left/Right Arrow (Windows)
5) Command+Shift+Up/Down Arrow (Mac) / Ctrl+Shift+Up/Down Arrow (Windows)