[NTG-context] setting up the interline space

i am processing: \startotherverse % Verse God fashioned the ship of the world carefully. \stopotherverse \startotherverse % Verse With the infinite skill of an All-Master \stopotherverse \startotherverse % Verse Made He the hull and sails, \stopotherverse I wish to change the spacings between these output lines. \definenarrower[OtherVerseIndent][ default={left,right}, before=\switchtobodyfont[crane], after=\switchtobodyfont[mainfamily]\noindentation ] \definelines[otherverse][ after=\stopOtherVerseIndent, before=\startOtherVerseIndent, ] How do I achieve this? David Roderick