Rock Band 4 will be de-listed this week, now's your last chance to grab song packs

Rock Band 4 will be de-listed later this week, developer Harmonix has stated, meaning this is your last chance to grab any remaining song packs.

Read more

source https://www.eurogamer.net/rock-band-4-will-be-de-listed-this-week-nows-your-last-chance-to-grab-song-packs