>> Ballrogg, a Norwegian duo comprised of woodwind player Klaus Ellerhusen Holm and bassist Roger Arntzen, plays a spacious form of free jazz that is an influential part of the scene in northern Europe. They are playing Blues Alley tonight at 8 and 10 p.m. Tickets are $20 + $12.50 minimum/surcharge.

>> Also tonight, the Potomac Jazz Project, led by bassist Stan Hamrick, performs at Twins Jazz. The group specializes in classic standards from the be-bop and post-bop eras. Call 202-234-0072 for set time and cover information.

>> Saxophonist Joshua Redman (pictured) blew us away last year, and while his band’s lineup has changed, he’s returning to Blues Alley this Thursday through Sunday for 8 and 10 p.m. sets with the same sax/bass/drums format. Tickets are $35 + $12.50 minimum/surcharge, advance purchase required.

>> Attention swing dancers and lindy hoppers! Glen Echo park is where you want to be this weekend for the D.C. Lindy Exchange, a weekend long event featuring live music and plenty of dancing. Now where exactly did I put my two-toned wingtips and zoot suit?

>> On Friday and Saturday, Twins Jazz will feature the Michael Thomas Quintet, a group of fiery local musicians whose playing is an update to the hard bop swing of Art Blakey’s Jazz Messengers. Tickets to the 9 and 11 p.m. sets are $18.

>> It’s a weekend of local music at Bohemian Caverns this weekend. Local bassist Romeir Mendez leads a group on Friday, while saxophonist Luis Faife leads his quartet on Saturday. Tickets to the 9 p.m. and 11 p.m. sets are $15.