基本iTunes AppleScript问题

感觉像一个真正的骨头头在这里，只是想知道如何让这个脚本插入艺术家选择的名字，并把它放入专辑艺术家

tell application "iTunes"
  set theTracks to (item 1 of (get selection))
  set theTracks to selection
  repeat with theTrack in theTracks
    set albumartist to artist of theTrack
  end repeat
end tell

像这样：

tell application "iTunes"
    set theTracks to (item 1 of (get selection))
    set theTracks to selection
    repeat with theTrack in theTracks
        set albumartist to artist of theTrack
        set album artist of theTrack to albumartist -- the missing line
    end repeat
end tell

在现实生活中，我可能会跳过中间变量，将这对行写成一行，如下所示：

        set album artist of theTrack to (get artist of theTrack)

或者更好：

        tell theTrack to set album artist to (get artist)