Samuel Wesley's "Si Iniquitates," performed by a group I've had the great pleasure of hearing live for years, Portland's Cantores in Ecclesia. (And HERE'S the playlist, which I will update as soon as I return to town.)
Si iniquitates observaveris, Domine, Domine, quis sustinebit
If thou, O Lord, wilt mark iniquities: Lord, who shall stand it.
Attribution(s): "Many Bells" provided by Unsplash's Igor Ovsyannykov, whose work is made available via a Creative Commons CC0 1.0 Universal (CC0 1.0) license.