Table 1.

Silhouette value for each number of clusters at normal and fast tempi

	Number of Clusters
	2	3	4	5	6
Normal tempo
Index
Mean	0.290	0.305	0.253	0.177	0.174
SE	(0.028)	(0.035)	(0.022)	(0.030)	(0.025)
Middle
Mean	0.263	0.264	0.184	0.202	0.124
SE	(0.014)	(0.017)	(0.025)	(0.030)	(0.034)
Ring
Mean	0.245	0.270	0.196	0.173	0.157
SE	(0.011)	(0.028)	(0.028)	(0.035)	(0.032)
Little
Mean	0.262	0.298	0.207	0.171	0.143
SE	(0.022)	(0.026)	(0.023)	(0.012)	(0.025)
Fast tempo
Index
Mean	0.272	0.283	0.182	0.244	0.175
SE	(0.019)	(0.013)	(0.020)	(0.039)	(0.023)
Middle
Mean	0.207	0.285	0.196	0.145	0.176
SE	(0.015)	(0.009)	(0.015)	(0.008)	(0.039)
Ring
Mean	0.248	0.272	0.143	0.154	0.147
SE	(0.014)	(0.017)	(0.026)	(0.014)	(0.029)
Little
Mean	0.252	0.284	0.180	0.195	0.163
SE	(0.011)	(0.031)	(0.022)	(0.026)	(0.040)

Number in bold indicates the number of clusters with the largest silhouette value.