arsenal face burnley at turf moor as they bid to keep pressure on chelsea .
gunners are seven points behind the blues having played one game more .
arsene wenger has told his squad to put dreams of title charge on hold .
abou diaby , jack wilshere , mikel arteta and mathieu debuchy in line to return to first-team fold .
arsenal 's pre-game playlist : pharrell makes laurent koscielny happy .