return a (Artist, artist.name)-tuple list instead of a list of strings in _music_db_list_artist
return a (Artist, artist.name)-tuple list instead of a list of strings in _music_db_list_artist

mokieyue/mopidy,rawdlite/mopidy,diandiankan/mopidy,mokieyue/mopidy,woutervanwijk/mopidy,swak/mopidy,kingosticks/mopidy,glogiotatidis/mopidy,tkem/mopidy,bencevans/mopidy,pacificIT/mopidy,adamcik/mopidy,adamcik/mopidy,ZenithDK/mopidy,bencevans/mopidy,ZenithDK/mopidy,jodal/mopidy,SuperStarPL/mopidy,liamw9534/mopidy,dbrgn/mopidy,hkariti/mopidy,ali/mopidy,bacontext/mopidy,jcass77/mopidy,quartz55/mopidy,mopidy/mopidy,bacontext/mopidy,tkem/mopidy,glogiotatidis/mopidy,bencevans/mopidy,ali/mopidy,SuperStarPL/mopidy,priestd09/mopidy,vrs01/mopidy,woutervanwijk/mopidy,priestd09/mopidy,SuperStarPL/mopidy,jodal/mopidy,hkariti/mopidy,mokieyue/mopidy,glogiotatidis/mopidy,ZenithDK/mopidy,mopidy/mopidy,dbrgn/mopidy,vrs01/mopidy,jmarsik/mopidy,abarisain/mopidy,jmarsik/mopidy,quartz55/mopidy,abarisain/mopidy,jmarsik/mopidy,bacontext/mopidy,mopidy/mopidy,diandiankan/mopidy,diandiankan/mopidy,quartz55/mopidy,quartz55/mopidy,jcass77/mopidy,bacontext/mopidy,ZenithDK/mopidy,glogiotatidis/mopidy,jcass77/mopidy,vrs01/mopidy,jmarsik/mopidy,dbrgn/mopidy,rawdlite/mopidy,dbrgn/mopidy,pacificIT/mopidy,SuperStarPL/mopidy,diandiankan/mopidy,pacificIT/mopidy,bencevans/mopidy,swak/mopidy,tkem/mopidy,hkariti/mopidy,mokieyue/mopidy,rawdlite/mopidy,adamcik/mopidy,kingosticks/mopidy,pacificIT/mopidy,swak/mopidy,priestd09/mopidy,rawdlite/mopidy,hkariti/mopidy,vrs01/mopidy,liamw9534/mopidy,jodal/mopidy,tkem/mopidy,ali/mopidy,kingosticks/mopidy,ali/mopidy,swak/mopidy