: In this context, "88" likely refers to a 24-bit/88.2 kHz high-resolution audio sample rate, or it could potentially indicate a specific "Scene" release number or file size (though sample rate is more common in audiophile listings).
Listen to the a cappella intro of “Perfect” (hidden at the end of “F**kin’ Perfect”). In MP3, it sounds metallic. In FLAC 88, it’s like P!nk is in the room. P-nk - Greatest Hits...So Far--- -2010- -FLAC- 88
Released to celebrate P!nk's first decade in music, the album includes 21 tracks (depending on the version) and featured two new hits at the time: : In this context, "88" likely refers to a 24-bit/88