POP/ROCK "We are Scorpions! We are here to rock you like a hurricane!" Say it in a German accent, and it sounds better. The band last performed in town in 2004, but they don't play here often -- only twice in 14 years. In that time, they picked up a new rhythm section, did the orchestral-rock thing with the Berlin Philharmonic and most recently put together a new concept album, "Humanity: Hour 1." Ideally, it won't take them one hour to get to the classics. The Phil Lewis-led, Tracii Guns-less lineup of L.A. Guns opens. (8 p.m. today, Myth. 18 and older. $49.) (C.R.)
Pianist, songwriter and vocalist Rachel Z is known for her work with Peter Gabriel and Wayne Shorter, and her brilliant Joni Mitchell tribute album, "Moon at the Window," which predated and arguably bested Herbie Hancock's Grammy-winning effort in that vein. She has become a chatty regular visitor to the Dakota, often recording her sets and distributing them to hardcore fans (for a small fee, of course) -- beating the bootleggers at their own game, with better sonics and downloadable sheet music, too. (8 p.m. today-Sat., Dakota Jazz Club. $10.) (T.S.)
One of the greatest bands of the 1960s, Booker T & the MGs remains a terrific live ensemble. Instrumentals such as "Green Onions" and "Time Is Tight" landed them in the Rock and Roll Hall of Fame, but the special reward is the solos of Steve Cropper, one of the most underappreciated and expressive guitarists of all time. He and bassist Duck Dunn may be better known for their work with the Blues Brothers. Opening is Southern soul singer extraordinaire Ruthie Foster. (7:30 p.m. Sat., Minnesota Zoo, $39.) (J.B.)
With song and conversation, Melissa Etheridge will tell the story of her life in concert -- from growing up gay in Kansas to her current album, "The Awakening." She'll probably talk about her Oscar for Al Gore's "An Inconvenient Truth," motherhood (she has four children) and her battle with breast cancer. Expect a three-hour marathon with plenty of powerhouse vocals. (8 p.m. Sat., O'Shaughnessy Auditorium, College of St. Catherine, St. Paul, $36-$101.) (J.B.)
You may know her as the mean, green-faced witch in "Wicked" or Maureen in "Rent," but Tony-winning Broadway star Idina Menzel is trying to make it as a big-voiced pop singer. She'll offer songs she wrote for her Glen Ballard-produced "I Stand" as well as favorites from her musicals and early life as a wedding singer. (8 p.m. Sat., Fitzgerald Theater, $37.) (J.B.)
Piano popster Vanessa Carlton is still trying to discover life after her 2002 hit "A Thousand Miles," while Paul Simon-evoking singer/songwriter Joshua Radin is still trying to prove he's more than Zach Braff's friend (he's landed lots of songs on "Scrubs," "Grey's Anatomy" and other TV shows). Alexa Wilkinson opens. (8:30 p.m. Sat., Cabooze, $15-$18.) (J.B.)
For those who find Frank Zappa too romantic, the Cramps too slick and Dr. Hook too subtle, welcome to the world of the Whiskey Sournotes. Tom Johnson's long-lived, way-lewd yet lovable band -- now a stripped-down three-piece-- churns out great retro-pop hooks and lyrics full of laughter and lust. He'll grovel for your applause with his "comedy lounge rock," earn your chuckling and heckling with such gnarly gems as "I Dig Love" and "Rich S.O.B.," but he won't respect you in the morning. (9 p.m. Sat., Hat Trick Lounge. $5.) (T.S.)
A charming new shoegazer band signed to Merge Records (Arcade Fire, Spoon), Wye Oak is a Baltimore-based duo featuring Jenn Wasner and Andy Stack, who swap bittersweet vocals over psychedelic folk-rock arrangements like a cross between Yo La Tengo and Neutral Milk Hotel. (9 p.m. Tue., 7th Street Entry. 18 and older. $6.) (C.R.)