Canadian music legend Neil Young made a surprise appearance Saturday at an old-growth logging protest rally at the British Columbia legislature.

Young played acoustic guitar and harmonica, and sang two songs: Comes A Time, which has a chorus about tall trees, and his hit Heart of Gold.

Young, billed as a "special guest," was not listed as appearing at the event, where astonished protesters, many dressed as trees and wild animals, cheered wildly and sang along to Heart of Gold.

"Thank you Canada," said Young. "You know I'm only here for those trees up there and it's a beautiful, and it's a precious, sacred thing, these old trees because they show us the power of nature when we are being threatened. They show us the past and they show us our future."

"That's something I hope our Canadian government and business section will recognize that this has to do with Canada," he said. "It has to do with the ages, if we are lucky enough to have ages. These trees have lasted so long they deserve Canada's respect."

Earlier this month, the B.C. government introduced new approaches to managing timber resources to protect more old-growth trees from logging.

Premier David Eby said more areas are now being deferred from logging than ever on record.

The old-growth deferral is a government program in B.C. where old-growth areas slated for logging are now deferred until a later date or not logged at all.

The logging deferral of old-growth forests is now at 2.1 million hectares, up from last spring's report of 1.7 million hectares, Eby said.

Young was introduced by his wife, actress Daryl Hannah, who said the cold weather was giving her a bit of brain freeze.

"Despite the complexities, the necessary and simple answer is do no harm,'' she said. "No further destruction. Love, support and respect your elders.

"Please lend your support to another type of elder, your fellow Canadian from a small town in Ontario."