Bengt Hallberg, a Swedish jazz pianist and composer, presents his captivating album "Collaboration" released on January 1, 1971, under Parlophone Sweden. This album is a delightful blend of jazz, Swedish ballads, cool jazz, and hard bop, offering a rich and diverse musical experience. Clocking in at 35 minutes, the album features seven tracks, each showcasing Hallberg's exceptional talent and versatility. From the intricate interplay of "Collaboration" to the introspective "Monologue," and the dynamic "Triumvirate," the album takes you on a journey through various jazz styles. Hallberg's mastery of the piano shines through, making "Collaboration" a standout piece in his discography and a testament to his contributions to the jazz genre.