Per Gessle to achieve four U.S. #1's and two #2's, with their albums "Look Sharp!" and "Joyride" attaining platinum status in a number of countries. After Roxette's early nineties success, Per released a demo compilation album in 1992, "På väg, 1982–86". After the release of "Crash! Boom! Bang!" and subsequent world tour, Roxette took a break. In 1996, after a reunion and subsequent tour of Gyllene Tider, Gessle recorded his first English solo album, using Brainpool and Gyllene Tider as backing musicians. Christoffer Lundquist from Brainpool would also come to collaborate with Per on later releases. "The World According to Gessle", released
Parts-per notation Parts-per notation In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-quantity measures, they are pure numbers with no associated units of measurement. Commonly used are ppm (parts-per-million, ), ppb (parts-per-billion, ), ppt (parts-per-trillion, ) and ppq (parts-per-quadrillion, ). This notation is not part of the SI system and its meaning is ambiguous. Parts-per notation is often used describing dilute solutions in chemistry, for instance, the relative abundance of dissolved minerals or pollutants in water. The quantity “1 ppm”