How can you make a Gliss. for the piano look right when you print it out?
Gliss is not truly supported in NWC, but here are some threads that might help in a work around: https://forum.noteworthycomposer.com/?topic=213, https://forum.noteworthycomposer.com/?topic=238, https://forum.noteworthycomposer.com/?topic=482, https://forum.noteworthycomposer.com/?topic=489, https://forum.noteworthycomposer.com/?topic=624, https://forum.noteworthycomposer.com/?topic=662, https://forum.noteworthycomposer.com/?topic=677, https://forum.noteworthycomposer.com/?topic=679