A (non-complete) list of expected releases for 2019 from some or fave rock/metal bands. It's early so more will come to light for sure and if you see one add it to the list!

Flotsam and Jetsam The End of Chaos
Raven Screaming Murder Death from Above: Live in Aalborg (live album)
Jetboy Born to Fly
Kane Roberts The New Normal
King Diamond Songs for the Dead Live (live album + DVD)
Quiet Riot One Night in Milan (live album)
Metallica Helping Hands... Live & Acoustic at the Masonic (live album)
Avantasia Moonglow
Candlemass The Door to Doom
Dream Theater Distance Over Time
Overkill The Wings of War
Rhapsody of Fire The Eighth Mountain
Rock Goddess This Time
Tora Tora Bastards of Beale
Mike Tramp Stray from the Flock
Queensrÿche The Verdict
Doro Backstage to Heaven (EP)
HammerFall Dominio

HOPE THESE HIT THE HOME OF METAL ON THE NET...

This one is avail already on the Metallica Live site if anyone is interested:

Metallica Helping Hands... Live & Acoustic at the Masonic (live album)

http://www.livemetallica.com//live-music/0,682/Metallica-mp3-flac-download-11-3-2018-SF-Masonic-San-Francisco-CA.html