Keyboard shortcut to switch between Songs, Albums, Artists, Genres, Videos, Playlists in iTunes?
You could assign shortcuts to scripts like this:

tell application "System Events" to tell window 1 of process "iTunes"
    if exists radio button 4 of radio group 1 of splitter group 1 then
        click radio button 4 of radio group 1 of splitter group 1
    else -- if the sidebar is not shown
        click radio button 4 of radio group 1
    end if
end tell




tell application "iTunes"
    set view of browser window 1 to user playlist "Music"
end tell
tell application "System Events" to tell window 1 of process "iTunes"
    if exists radio button 4 of radio group 1 of splitter group 1 then
        click radio button 4 of radio group 1 of splitter group 1
    else
        click radio button 4 of radio group 1
    end if
end tell




tell application "iTunes"
    set view of browser window 1 to (get user playlist 1 where special kind is none)
end tell