Metallica's promised world tour is on -- including an Aug. 9 stop at Seattle's CenturyLink Field with Avenged Sevenfold and Gojira. Tickets go on sale Friday morning at 10 a.m. and range between $55 and $155.
Live Nation just posted a seven-second video -- you can watch the clip below.

 

The band blew out the doors during Sunday night's Grammy Awards show, collaborating on stage with Lady Gaga.