Tin cry Tin cry A tin cry is the characteristic sound heard when a bar of tin is bent. Variously described as a "screaming" or "crackling" sound, the effect is caused by the crystal twinning in the metal. The sound is not particularly loud, despite terms like "crying" and "screaming". It is very noticeable when a hot-dip tin coated sheet metal is bent at high speed over rollers during processing. The tin cry is often demonstrated as a simple science experiment. The bar of tin will "cry" repeatedly when bent until it breaks. The experiment can then be recycled by melting and
Lead 15th Anniversary Live Box MCs. For "Lead 15th Anniversary Live ～Kan Ima Shirube-sai～", the group performed every a-side they had released since their debut in 2002, up until their then-most recent song "Beautiful Day", which had been released on August 23, 2017. The live was well-received, with people praising the group's stage presence and charisma, even with performing so many songs for one performance, many of which were dance tracks. "Lead Upturn 2017 ～This is Our Day～" was the group's fifteenth live tour. For the performance, most of the music utilized were songs from their seventh studio album "The Showcase", which had been released