composition (often improvised) for a solo instrument (especially solo organ) and not a regular part of a religious service or musical performance
of your own free will or design; not forced or compelled; "man is a voluntary agent"; "participation was voluntary"; "voluntary manslaughter"; "voluntary generosity in times of disaster"; "voluntary social workers"; "a voluntary confession"
controlled by individual volition; "voluntary motions"; "voluntary muscles"
full of love and generosity; "charitable to the poor"; "a charitable trust"
showing or motivated by sympathy and understanding and generosity; "was charitable in his opinions of others"; "kindly criticism"; "a kindly act"; "sympathetic words"; "a large-hearted mentor"
relating to or characterized by charity; "a charitable foundation"