Download of iLightShow 1.5.2 for Mac was available from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The program is categorized as System Tools. This free software for Mac OS X was originally produced by Nicolas Anjoran.
From the developer:
iLightShow lets you connect your Philips Hue light bulbs to Spotify. You simply launch the Spotify desktop app besides to iLightShow and choose your favorite lights. The program features real-time lights synchronization. You can add or remove lights during the show just with one click. You can control the brightness and the intensity of the show. You can either let the app control the colors or select your own.
You may want to check out more Mac applications, such as tn5250, which might be related to iLightShow.