Power", released in 1990, reached number one in the Netherlands, Spain, Switzerland and the United Kingdom, and it helped to raise awareness of the genre within Europe. In the following years, other Eurodance acts formed in Frankfurt, including Jam and Spoon, Intermission and Culture Beat. After the breakthrough single "Rhythm is a Dancer" by Snap! in 1992 (number 1 in 12 countries), new groups started to pop up all over Europe, mainly in Belgium, Netherlands and Italy. From 1992 till the decline of popularity after 1995, the sound became more and more NRG-oriented, leading to songs raising in B.P.M. up to 150. The notable songs which defined the genre in this period, dubbed as the "golden era" of Eurodance, are "It's My Life" by Dr. Alban in 1992 (number 1 in 8 countries), "No Limit" by Dutch group 2 Unlimited in 1993 (number 1 in 14 countries, it was Europe's biggest-selling song for 1993), "What Is Love" by Haddaway in the same year (number 1 in 13 countries), "Mr. Vain" by Culture Beat also in the same year (number 1 in 13 countries), "Cotton Eye Joe" by Rednex in 1994 (number 1 in 12 countries) and "Scatman (Ski-Ba-Bop-Ba-Dop-Bop)" by Scatman John in the same year (number 1 in 9 countries). In the same period the popularity of the genre also expanded further to East Asia, in nations such as Japan, South Korea and Taiwan; towards the end of the golden era also in Russia. By 1995, Eurodance dominated European charts with 5 singles in the top 10 of the singles charts. Despite its success, many observers within the music industry said that the Eurodance sound had to change or die, and Eurodance producers and singers started to follow different paths and different sounds, such as happy hardcore and house music, but not all the groups followed this trend immediately. Notably, the group 2 Unlimited wanted to remain within Eurodance sounds in order to remain chartbusters, although the producer De Coster predicted a retreat from a poppy to a more clubby sound. Nevertheless, in the second half of the decade the popularity of Eurodance started to decline, and "Scatman's World" by Scatman John was the last major hit of the original Eurodance sound in the Eurochart Hot 100, being number 1 for 3 weeks between late August and early September 1995. In late 1990s the classic Eurodance sound gradually morphed into