Yep I think a fair few people have experienced this glitch where it seems to skip over a note. For me I had it happen in I Am Electric and Light The Fuse, just had to strum the notes (they were both hammer-ons). No idea how it's determined really since everyone has it happen on different songs.
Through the Fire and Flames FC - 8/7/15 and 14/9/15
Thank you to everybody who runs the rivalries threads.
*This does not leave my sig until someone OMBFSFCs on all difficulties.