Applescript to control Spotify through Pomodoro

as-pomodoro-spotify.scpt

    on ApplicationIsRunning(appName)
        tell application "System Events" to set appNameIsRunning to exists (processes where name is appName)
        return appNameIsRunning
    end ApplicationIsRunning

    if not ApplicationIsRunning("Spotify") then
        open location "SPOTIFY-URI"
        delay 10
    end if

    tell application "Spotify"
        play
    end tell