Tested and working! The Karaoke Party CD+G: Retro 80s & Disco Fever are karaoke CDs featuring a selection of English songs from the 80s and disco era. These CDs are designed for CD+G players, which are a type of karaoke media that includes both audio and lyrics on the same disc. The CDs are not multiplexed, meaning that each song is on a separate track for easy navigation during karaoke parties or sing-along events. Perfect for music lovers looking to recreate the fun and excitement of the disco era with karaoke entertainment.