repeat
display dialog "Search" buttons {"Cancel", "Search"}
copy the result as list to {button_pressed}
if the button_pressed is "Cancel" then exit repeat
repeat
if the button_pressed is "Search" then
tell application "iTunes"
set trackName to name of current track
set trackArtist to artist of current track
display dialog trackName & " - " & trackArtist buttons {"Cancel", "Search"}
copy the result as list to {button_pressed}
if the button_pressed is "Cancel" then return
end tell
end if
end repeat
end repeat