MONDAY >> Joseph Arthur & the Lonely Astronauts return to D.C., and this time they’re playing at a larger, more Metro-accessible venue. While critics don’t exactly love the new album, Let’s Just Be, Arthur puts on a great live show. Check him out at the 9:30 Club with Stars of Track and Field opening. 7:30 p.m. $15. TUESDAY >> Local upstarts Le Loup, fresh off signing with Hardly Art, are opening for The Rosebuds, the…