Choral Choir (Unison) - Digital Download SKU: A0.1051159 Composed by Samuel Stokes. Praise & Worship,Sacred. Octavo. 1 pages. SamuelStokesMusic.com #655491. Published by SamuelStokesMusic.com (A0.1051159). This is an original setting of Kyrie Eleison (Lord Have Mercy) for choir and piano. It was written specifically for use in the Episcopal church, but could certainly be used in congregations of other denominations as well. Learn more about Samuel Stokes at https://www.SamuelStokesMusic.com.