GarageBandに関するAppleScript

再生と停止(停止してたら再生．再生してたら停止）

tell application "GarageBand"
 set theSong to song 0
 play theSong
end tell

テンポの変更

tell application "GarageBand"
 set theSong to song 0
 set tempo of theSong to 100
end tell

トラック情報の取得

tell application "GarageBand"
 set theSong to song 0
 set theTracks to track of theSong
 set theTrack to item 1 of theTracks
 instrument name of theTrack
end tell

トラック情報の設定

r/oしかない．できないみたい．