This article published by Dimitri Danyuk explains how supply bootstrapping an LME49710 can reduce its distortion when fed by high source impedances.

"Supply Bootstrapping Reduces Distortion In Op-Amp Circuits," Danyuk, Electronic Design, September 11, 2008.
"Supply Bootstrapping Reduces Distortion In Op-Amp Circuits," Dimitri Danyuk, Electronic Design, September 11, 2008: https://www.proaudiodesignforum.com/ima ... 1_2008.pdf