chortle.02
frames- [ARGM-ADV *-1 Keeping the mood light] , [ARG0 the two] [ARGM-TMP then] chanted and [rel chortled] [ARG1 their way] [ARGM-DIR through some murderous polyrhythms , devised * by Mr. Douglas as an alternative to Hindemith 's dry theory-teaching techniques] , and then , with Mr. Gomez , soared and improvised on the composer 's tight `` Bebop Etudes . ''