return gears.table.join( awful.key( {}, "XF86AudioPrev", function () bin.mpc.command("prev") end, { description = "Previous track", group = "MPD" } ), awful.key( {}, "XF86AudioPlay", function () bin.mpc.command("toggle") end, { description = "Play/Pause", group = "MPD" } ), awful.key( {}, "XF86AudioNext", function () bin.mpc.command("next") end, { description = "Next track", group = "MPD" } ), awful.key( {"Mod4"}, "XF86AudioRaiseVolume", function () bin.mpc.command("vol +5") end, { description = "Volume up", group = "MPD" } ), awful.key( {"Mod4"}, "XF86AudioLowerVolume", function () bin.mpc.command("vol -5") end, { description = "Volume down", group = "MPD" } ) )