The crossword solutions for the term 'TO BE, TO BERLIOZ' are 'ETRE' (4 letters). The French verb 'etre' translates to 'to be' in English. This is a reference to the French composer Hector Berlioz, who wrote the famous musical composition 'Symphonie Fantastique', which includes a movement titled 'Un Bal: Valse: Allegro non troppo' ('A Ball: Waltz: Not too fast'). The title of this movement is a reference to the phrase 'être ou ne pas être' ('to be or not to be'), which is famously spoken by Hamlet in William Shakespeare's play of the same name.