Jan Johansson's "In Pleno," released on January 1, 1964, under the Heptagon label, is a captivating blend of Swedish ballads and jazz, spanning a concise yet impactful 35 minutes. Johansson, a master of his craft, weaves together a tapestry of sounds that range from the hauntingly beautiful "Sommar adjö" to the spirited "Joshua Fit the Battle of Jericho." The album's title track, "Plenum," sets the stage for a journey through Johansson's unique musical landscape, where traditional Swedish melodies meet the improvisational spirit of jazz. With tracks like "Musik" and "Una Muy Bonita," Johansson showcases his versatility and deep musicality. "In Pleno" is not just an album; it's a testament to Jan Johansson's ability to create music that resonates with both the heart and the mind.