like any sort of dance, the movement of my fingers/arms/lips/breath & whole body on the harp or the vielle-a-roue (hurdy gurdy in English) is easier the more often I do it. When I play with them often, they are happier, more open to suggestion. I expect this may be true of many dance partners: if one doesn't dance with them often enough, one's partner could get pouty, or resentful perhaps. Proper attention, the ritual of entering into communion through physical movement, the sound of the music as we dance...