Slack Key Guitar Volume 2 received a GRAMMY® Award for the inaugural Best Hawaiian Music Album category. The recording features 10 slack key artists, each with their own tuning and style ranging from traditional to contemporary: Brian Kessler, Ken Emerson, Keoki Kahumoku, Randy Lorenzo, Sonny Lim, John Keawe, John Cruz, Jeff Peterson, Charlie Recaido and Charles Brotman. This Award was a Producer's Award and it went to Producer, Charles Michael Brotman.

Ki ho’alu, or slack key, refers to the altered tuning of the acoustic guitar which create unusual harmonies unique to Hawai'i. The album was recorded in the heart of Paniolo country where there is a rich heritage of ki ho'alu. This is the sequel to Slack Key Guitar, a Na Hoku Hanohano Award finalist.