In a previous study we observed that identification of temporal order in computer‐generated pure‐tone sequences was better than that for tones and glides in sequence [J. E. Kerivan and B. Carey, Percept. Psychophys.20, 489–492 (1976)]. In continuation, the present experiment studied discrimination performance for pure tone sequences and again for tone/glide sequences. Twenty Ss made same/different comparisons of the order of events ranging from 20 to 60 msec. In one condition pure tones at 713, 1031, 1209, and 1514 Hz were used. In another, two unidirectional glissandi chosen from 466–712 Hz, 714–1208 Hz, and their mirror reversals were substituted for 1031 and 1514 Hz. Discrimination performance was significantly better in the tone/glide condition. It was slightly better for the longer event durations. In each pattern, event position No. 4 was the most important cue in the more difficult discriminations. Thus, when same/different discriminations are made on four event pure tone sequences event position, rate, frequency, and temporal continuities should be evaluated.