Two rhythm classes? The following comparisons are required 1)Acomparison of data from languages cited in the literature as stress-timed and languages cited as syllable-timed (2 )A comparison of the data in(1)with evidence from unclassified languagesTwo rhythm classes? The following comparisons are required (1) A comparison of data from languages cited in the literature as stress-timed and languages cited as syllable-timed (2) A comparison of the data in (1) with evidence from unclassified languages