In 1928, a fire destroyed the interior of the sanctuary; however, the brick walls were fortunately left intact.

Francis McCorkle, the pastor of Greeneville's Presbyterian Church, was a leading member of the Manumission Society of Tennessee.

When the church split in 1798, members that adhered to the Old School theology kept the name Mount Bethel.

In 1964, a new three manual instrument was built by the Greenwood Organ Company of Charlotte, North Carolina.

In the early 1990s, the Schantz Organ Company of Orrville, Ohio was contracted to build a new instrument of 27 ranks and 1,630 pipes.

The organ is split in chambers on either side of the chancel, with the Great and Choir on the left, and the Swell and Pedal on the right.

[6] In 1999, the J. F. Nordlie Company, of Sioux Falls, South Dakota built their Opus 16 instrument for Christ Chapel.