The Jacka Tear Gas (Artist Records/SMC) Gangster imagery and sex-filled rhetoric are not new to hip-hop, but few can blend them like The Jacka on his third solo album, Tear Gas. It’s been nearly four years since the Pittsburg, California, native released his last official album, The Jack Artist, and this time out he wastes little time, jumping off with heat on the somber “Summer.” Over the track’s steadily paced drums, Jacka exhibits how the hottest season can be so cold, reminiscing on lost friends. He is best when he touches on the realities of street life, and on “They Don’t Know,” featuring Freeway, ...