Vacaville singer Denny Colleret will perform his Johnny Cash tribute from 6 to 8 p.m. Friday at RootStock, 22 Main St. in Winters.
Colleret is the lead guitarist for the band Cash Tribute. His first solo CD, “Trains Go By” was released in 2010.
On Saturday from 10 a.m. to 8 p.m., RootStock will host a Holiday Open House.
There will be complimentary wine tasting throughout the day and olive oil tasting from 11 a.m. to 2 p.m. From 3 to 5 p.m., local author Georgeanne Brennan will be signing cookbooks and sharing holiday recipes and ideas.