With a career-spanning boxset on the way, influential '90s indie-rock band Tsunami have announced a springtime US tour co-headlining with longtime friends Ida, who recently emerged from their own hiatus. Dubbed the Coin Toss Tour because the bands will leave the decision of who plays first up to gravity and chance, the 11-show trek will also see the bands sharing equipment and van space "in a nod to equity, whimsy, and jamming econo."

Real '90s heads should be well rewarded as surprise special guests from the bands' network will join in at most shows, "to lend a crazy guitar part, or guest vocals, or play one of their own songs."

The connection between Tsunami and Ida dates back to the early '90s when Tsunami's Jenny Toomey and Ida's Dan Littleton played together in a short-lived band Choke, who released just one 7" EP in early 1990. Toomey co-founded iconic indie label Simple Machines around the same time, and formed Tsunami with housemate Kristin Thomson later that year. Ida came into being not long after, initially as the duo of Littleton and his now-wife Elizabeth Mitchell, and it was Toomey who offered to put out their debut album Tales of Brave Ida on her label. The band went on to release three albums and several 7" singles through Simple Machines, before the label was shuttered in 1998.

The Coin Toss Tour announcement is not entirely unexpected. Three weeks ago, the Numero Group Instagram shared a concert poster from August 1994 with both bands on the bill, plus some old live shots by photographer Shawn Scallen, posing the question "What if Ida and Tsunami toured again?"

It was Numero Group's 20th anniversary festival last summer that brought Ida back from the dead, and there are plans afoot to reissue much of the band's back catalog, including the three albums released through Simple Machines and the millennial classics Will You Find Me (2000) and The Braille Night (2001) released through NYC-based Tiger Style Records.

Active between 1998 and 2004, Tiger Style also released two solo albums by Ida member Karla Schiekele and an improvised collaboration between Dan Littleton and Tara Jane O'Neil, among many others. Plans for a wider Tiger Style reissue program were announced by Numero Group earlier this year. Ida's last studio album was 2008's Lovers Prayers, released through Polyvinyl Records.

The Coin Toss Tour calls at:

03/22 Woodstock, NY @ Levon Helm Studios
03/23 Somerville, MA @ Crystal Ballroom
03/27 Washington, DC @ Black Cat
03/28 Philadelphia, PA @ Underground Arts
03/29 New York, NY @ Bowery Ballroom
04/04 Ferndale, MI @ Magic Bag
04/05 Chicago, IL @ Lincoln Hall
04/18 Seattle, WA @ Tractor Tavern
04/19 Portland, OR @ Mississippi Studios
04/23 San Francisco, CA @ The Chapel
04/25 Los Angeles, CA @ Lodge Room

The Tsunami boxset Loud Is As is released on 8 November via Numero Group.