Interlinguistics of interlinguistics are, however, not so constructive, but rather descriptive, comparative, historic, sociolinguistic, or concerned with translation by humans or machines. As for Esperanto, which is the most widely used constructed interlanguage, there is a relatively abundant literature about the language itself and its philology (see Esperantology). Only a few of the many constructed languages have been applied practically to any noteworthy extent. The most prosperous were Volapük (1879, Johann Martin Schleyer), Esperanto (1887 Ludwik Lejzer Zamenhof), Latino sine flexione (1903, Giuseppe Peano), Ido (1907, Louis Couturat), Occidental-Interlingue (1922, Edgar de Wahl) and Interlingua (1951, IALA and Alexander Gode), with
Back by Unpopular Demand Back by Unpopular Demand Back By Unpopular Demand was a concert tour by alternative rock band The Replacements. It marks the first tour for the band since they broke up in 1991. In late 2011, rumors began to circulate that The Replacements were considering to reunite. Tommy Stinson mentioned in an interview that year "if a reunion happens, it happens. If the planets align and the oceans don't swallow up the earth first.". On October 3, 2012, it was announced that The Replacements had reformed and that Westerberg and Tommy Stinson were in the studio recording an EP containing song