We don’t have a Milwaukee location. We have Renner’s Grill @7819 SW Capitol Highway Multnomah Village and The Hawthorne Hideaway @2221 SE Hawthorne Blvd Portland close to downtown.
You should call the bar and ask and I'm sure they'll let you know who it was and when they'll play agai.
Not sure of SW location - Milwaukie site had Suburban Legend.
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