AEae // I learned this from a recording Matt Brown playing on his CD &#34Lone Prairie&#34. https://www.youtube.com/watch?v=_B4QpAxFR4U There are 3 entries in the Fiddler&#39s Companion: http://www.ibiblio.org/fiddlers/GREET_GRUM.htm And 3 audio files on Slippery-Hill: Ernsest Claunch playing in A, tuned AEae // https://www.slippery-hill.com/recording/grub-springs-0 John Hatcher playing in A modal in standard tuning // https://www.slippery-hill.com/recording/grub-springs-1 George Mert Reves (from the Arkansas / Oklahoma area) playing in A, tuned Aeae // https://www.slippery-hill.com/recording/grub-springs I couldn&#39t find an audio file on DLA.