Dry and wet vocal chops that add a human element to digital tracks.

to be more underground/gritty or more corporate/professional for this release?

This likely refers to a (audio loops, one-shots, or MIDI files) for music production — possibly the 100th volume in a series.

Producers and DJs, unite and cheer, This mega collection is finally here, The holy grail of sample packs, To elevate your sound, and make your tracks.