Call ly( ) to vi LilyPond input files generated by Abjad.
abjad> t = Note(0, (1, 4))
abjad> show(t)
abjad> ly( )
% Abjad revision 2162
% 2009-05-31 14:29
\version "2.12.2"
\include "english.ly"
\include "/Path/to/abjad/trunk/abjad/scm/abjad.scm"
{
c'4
}
Exit vi in the usual way with :q or equivalent.