Standard CDs operate at 44.1 kHz (44,100 samples per second). The "88" in your search refers to —double the CD sample rate.
Set your player to "Bit-perfect" mode. This bypasses your operating system’s internal resampler. You want the pure 88.2 kHz stream going directly to your DAC. Simon Garfunkel - Greatest Hits -1972- -FLAC- 88
The Definitive Listening Experience: Simon & Garfunkel’s Greatest Hits (1972) in 24-bit/88.2kHz FLAC Standard CDs operate at 44
It is Mrs. Robinson’s guitar, stripped of digital grime. It is the Boxer’s kick drum, given back its weight. It is the sound of silence, finally heard in high fidelity. This bypasses your operating system’s internal resampler
You can more clearly distinguish the physical space between Garfunkel’s ethereal high tenor and Simon’s grounding baritone.
Most standard CDs are sampled at 44.1kHz. An 88.2kHz file doubles that frequency. This provides a more accurate reconstruction of the original analog wave, particularly in the high-frequency range, leading to a "smoother" and more natural sound.