Chris Willman Music WriterAfter weeks and months in which new hip-hop releases have almost constantly dominated the top spots on the album chart, pop finally got a word back in edge-wise, as Lady Gaga’s “Chromatica” came in at No. 1.Although it was far from a photo finish, Jimmy Buffett also landed a surprising second place finish on the Rolling Stone album chart with a strong bow for his new album, “Life on the Flip Side.”“Chromatica” came out of the box with 280,800 album units.