RPM Records has recently released four CDs charting the history of three acts that might not have gained much international attention outside of their home countries, but are still worthy of attention.  From Sweden, RPM has an anthology for The Shanes and two expanded editions of The Mascots’ only two LPs; from France comes the complete recordings of the chanteuse known as Pussy Cat.  Each of these releases is designed to bring greater attention to these little-known artists. The Shanes hailed from the town of Kiruna in the northern part of Sweden. …