Post Malone's metalcore upbringing and love for alt rock has been well documented, and now the rapper is busting out a pop-punk classic in concert. Check out a video of Post covering Green Day's "Basket Case" below!

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As captured by one lucky concertgoer on Twitter, Post Malone offered up his acoustic Green Day rendition to an attentive crowd during what appears to be his Saturday, Sept. 16, gig at the Fillmore in Silver Spring, Maryland.

Do you have the time? To listen to Post Malone whine? About nothing and everything all at once? Go ahead, take a look at the clip of the "White Iverson" rapper and his glittery acoustic guitar's faithful "Basket Case" send-up below. Then check out Post's upcoming tour dates after the vid—maybe you'll be lucky enough to catch his no-frills Green Day cover at a show near you!

Post Malone tour dates:

09/19 - New York, NY @ PlayStation Theater

09/20 - Cleveland, OH @ Agora Theatre

09/21 - Detroit, MI @ Majestic Theatre

09/24 - St. Louis, MO @ Pop's Nightclub

09/25 - Kansas City, KS @ Uptown Theater

09/26 - Boulder, CO @ Boulder Theater

09/27 - Salt Lake City, UT @ The Complex

09/29 - Portland, OR @ Roseland Theater

09/30 - Seattle, WA @ Showbox SoDo

10/03 - San Francisco, CA @ Warfield Theatre

10/04 - San Diego, CA @ The Observatory

10/05 - Las Vegas, NV @ Brooklyn Bowl

10/07 - Tempe, AZ @ Marquee Theatre

10/10 - Albuquerque, NM @ El Rey Theater

10/11 - Oklahoma City, OK @ The Criterion

10/14 - Toluca, Mexico @ Elusion Festival

10/17 - Miami, FL @ Revolution Live

10/18 - Orlando, FL @ Venue 578

10/22 - Nashville, TV @ Marathon Music Works

10/24 - Dallas, TX @ The Bomb Factory

10/25 - Austin, TX @ Stubb's Bar-B-Q

10/26 - Houston, TX @ House Of Blues

10/29 - New Orleans, LA @ Voodoo Festival

10/31 - Atlanta, GA @ Center Stage

Green Day - "Basket Case"

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