1) Apply pressure to 2) Because Music single 3) Draw support from 4) Express dependency 5) Get emotional support from 6) Get support from 7) Get tough with 8) Look to for support 9) Number-one single in Denmark 10) Number-one single in Greece 11) Pressure 12) Pressure by threatening 13) Pressure, loan shark-style Found on https://www.crosswordclues.com/clue/lean-on