Romansh language the "Bibla da Cuera" was published between 1717 and 1719. In music, choirs have a long tradition in the Romansh-speaking areas. Apart from traditional music and song, Romansh is also used in contemporary pop or hip-hop music, some of which has become known outside the Romansh-speaking regions, for instance, in the Eurovision Song Contest 1989, Switzerland was represented by a Romansh song, "Viver senza tei". Since 2004, the hip-hop group Liricas Analas has become known even outside of Grisons through their Romansh songs. Other contemporary groups include the rock-band "Passiunai" with its lead singer Pascal Gamboni, or the rock/pop band
Official language to the government in their native languages. In countries that do not formally designate an official language, a "de facto" national language usually evolves. English is the most common official language, with recognized status in 51 countries. Arabic, French, and Spanish are also widely recognized. An official language that is also an indigenous language is called "endoglossic", one that is not indigenous is "exoglossic". An instance is Nigeria which has three endoglossic official languages. By this the country aims to protect the indigenous languages although at the same time recognising the English language as its lingua franca. Around 500 BC,