Analysis of information sources in references of the Wikipedia article "Tempo" in English language version.
3.2 The tempi for each dance shall be: Waltz 28‒30 bars/min, Tango 31‒33 bars/min, Viennese Waltz 58‒60 bars/min, Slow Foxtrot 28‒30 bars/min, Quickstep 50‒52 bars/min; Samba 50‒52 bars/min, Cha-Cha-Cha 30‒32 bars/min, Rumba 25‒27 bars/min, Paso Doble 60‒62 bars/min, Jive 42‒44 bars/min.