Sometimes magical things happen when the right combination of musicians decide its time to play together.

The possibility looms large this weekend at moe.down.

Bob Weir and Levon Helm will take the stage together.

That’s royalty from The Grateful Dead and The Band.

The annual music festival and party put together by jam rock band moe. runs Sept. 2 to 4 at Gelston Castle Estate in Mohawk, east of Utica off the Thruway.

The lineup includes, of course, moe., the band comprised of musicians that at one time or another called the Mohawk Valley home before getting together at the University of Buffalo in 1989.

The two stages also will feature The Levon Helm Band plus very special guest Weir are high on the list, which also includes Ween, TV on the Radio, Slightly Stooopid, Bruce Hornsby & The Noisemakers, Ozomatli, Railroad Earth, The New Mastersounds, Rubblebucket, Danger Muffin, The Ragbirds, The Brew, Floodwood and Gary Clark Jr.

moe. has sets all three days of the fest.

The cool stew that includes Weir with Helm is scheduled for 5:30 p.m. Sunday.

Tickets are $$145, available at moe.org until Sept. 1. They’ll cost $160 at the gate.

That price includes camping.