Related Clues:
- Nitro exploding in passage to start with?
- Word in '101' course titles
- Some Elgin troops opening passage
- Opening track
- Part of a show that may say 'Previously on ...'
- Enthusiastic about penning start of refrain -- the first notes
- Translated rot in opening passage
- Start of a musical count
- Book's opening section, informally
- Source of French river is outstanding, outstanding
- Part of a 'Star Wars' film with scrolling text
- Prelude of note in Italian romantic opera, originally
- Keen on including Mahler's last piece of music
- Album opener
- Low-level, as a class