You can set firstClef to #f, and remove Time_signature_engraver from the ossia-staff.
See e.g. http://lilypond.org/doc/v2.11/input/manual/lily-6910c8f3a6.ly Met vriendelijke groet, Wilbert Berendsen -- http://www.wilbertberendsen.nl/ "You must be the change you wish to see in the world." -- Mahatma Gandi _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org http://lists.gnu.org/mailman/listinfo/lilypond-user