SoundCloud, the neat “social sound platform” that allows users to create and share sounds with anyone who has an internet connection, turned to design company, The Wilderness, to help answer the question, “What is sound?”

See what the experts&#151Moby, Imogen Heap, Julian Treasure, Martyn Ware, and others&#151have to say.

The December 2011 issue of Stereophile is now on newsstands. Here are 60 reasons to buy it:

Thursday&#150Sunday, December 1–4: The second Hi-Fi Expo Sophia will take place at the Grand Hotel Sophia in Sophia, Bulgaria.

Friday, December 2, 6–9pm: Whetstone Audio (2401 East 6th Street, #1001, Austin, Texas) will host an evening of music with Bob Clarke of Profundo (Heed, Transfiguration, VivA, Trenner & Freidl, Silent Source) and Colleen Cardas of Colleen Cardas Imports (Unison Research, Opera Loudspeakers).

Brian Di Frank of Whetstone Audio says this is just “the first of many hootenannies” and he offers a warm invitation:

The enormous sky above Brooklyn's Prospect Park was a dazzling watercolor. Warm, soft shades of yellow, orange, and violet swept across a saturated canvas as the sun slowly dissolved into the horizon and day reluctantly gave way to night. It was the second week of August and, though no one wanted to admit it, the days had become noticeably shorter.

I walked alone through turnstiles that led to the large band shell where thousands of people would congregate for the final night of "Celebrate Brooklyn," a summerlong series of outdoor concerts. This year's season included performances by a wonderfully diverse and talented collection of artists—some obscure, some renowned, all worthwhile: Andrew Bird, Larry Harlow, Animal Collective, Real Estate, The Feelies, Los Lobos, The Bad Plus, Dr. John, and dozens of others.

"So where did it all go wrong, George? When did the major-label record business begin slipping away?"

Before he can answer, I recall something George Avakian once told me over the phone. "Goddard Lieberson [former president of Columbia Records] said, 'I'm tired of sitting in A&R meetings with record guys. Get me some lawyers and accountants who don't want to argue about music.'"

"I don't remember saying that, but that's very interesting," Avakian says with a mischievous smile of recognition.