Sounds like two different source tapes here.  The quality improves about halfway through the second track.

Emmylou Harris - 6/15/79, The Catalyst, Santa Cruz, CA (SBD)
To Daddy
My Songbird
If I Could Only Win Your Love
The Angels Rejoiced in Heaven Last Night
Could You Love Me One More Time?
Green Rolling Hills
I Believe >
Land That Lies Up Yonder
If I Needed You
Satan's Jewel Crown
Keep on the