Overstock copy, new mint quality, never played.

Run The Jewels: The all-conquering partnership of Brooklyn rapper/producer El-P and Atlanta MC Killer Mike has birthed a third album whose aggressive optimism offers a tonic for troubled times. By Joseph Stannard

Edward Artemiev: The celebrated Russian composer - whose electronic tones graced film maker Andrei Tarkovsky's finest moments - has shifted focus towards a Dostoyevsky rock opera. By Nikita Velichko

Lisbon: Centred around the Clean Feed and Creative Sources labels, the Portuguese capital's new jazz vanguard are reaping the benefits of their relative isolation. By Stewart Smith

Bites:

Obadikah: Lagos has spawned a monster in the form of the brassy Yoruba influenced septet. By Francis Gooding

Mind Over Mirrors: It's a gradual process of accumulation for Jamie Fennelly's swelling hand-pumped harmonium project. By Marc Masters

Olivia Louvel: The multimedia artist's latest project pits queen against queen. By Abi Bliss

Swivelized Sounds: The Taipei based Quantum Natives signing strikes a blow against the grid. By Emily Bick

Global Ear - Palermo: The Sicilian capital's avant garde practitioners think globally and act locally. By Robin McGinley

Invisible Jukebox - Rashad Becker: The Berlin musician and go-to mastering engineer pumps up the volume on The Wire's mystery record selection. Tested by Alexander Samuels

The Inner Sleeve: David Keenan on Suckdog's Drugs Are Nice

Epiphanies: Cathy van Eck receives positive feedback

On Screen: Jim Jarmusch's Gimme Danger

On Site: Bruce Conner It's All True

On Location: Easter, Les Diaboliques, Le Guess Who?, Julia Holter + Circuit Des Yeux + Richard Dawson, Sounds To Summon The Japanese Gods, and Splitter Music Festival

Soundcheck: Age Coin, Alchymie & Gregg Skloff, Avec Le Soleil Sortant De Sa Bouche, Aiden Baker & Claire Brentnall, Bargou 08, William Basinski, David Earl Buddin, Cindytalk, Myra Davies, E Bias, Eaves, The Empire Line, Emptyset, Lawrence English, Expo 70, Eyeless In Gaza, Fhloston Paradigm, The Flaming Lips, Ghostwriter, Mats Gustafsson & Christof Kurzmann, Dre Hocevar, Kamura Obscura, Eyvind Kang & Jessika Kenney, Graham Lambkin, Leonce, The Mass, Joe McPhee & Raymond Boni, Joe McPhee & Ingebrigt Håker Flaten, Joe McPhee & André Jaume, The Necks, Noveller, NV, Christine Ott, Evan Parker/Daunik Lazro/Joe McPhee, Jeff Parker, Quicksails, Rangers, Shore To Shore, Tanya Tagaq, Vent Fort, Paul G Smyth & Chris Corsano, Else Olsen Storesund/Pauline Oliveros/Lisa Dillan/Øyvind Storesund, Ilpo Väisänen, Varg, A Winged Victory For The Sullen, Neil Young, Various Inuit: Fifty-Five Historical Recordings

The Boomerang: Biting Tongues, Arthur Brown's Kingdom Come, Marlon Cherry, The Crazy World Of Arthur Brown, Tod Dockstader, Hastings Of Malawi, The Other People Place, Washington Phillips, Ruin, Michael Snow Various The Microcosm: Visionary Music Of Continental Europe 1970-1986