Earl Klugh's "Heart String," released on January 1, 1979, under Blue Note Records, is a captivating journey through the realms of smooth jazz, jazz fusion, and cool jazz. This 40-minute album showcases Klugh's masterful guitar work and his ability to blend various jazz styles seamlessly. The album features eight tracks, including the title track "Heart String," which appears twice, bookending the collection with its soothing melodies. "I'll See You Again" and "Waiting For Cathy" offer tender, introspective moments, while "Spanish Night" adds a vibrant, rhythmic flair. "Pretty World" and "Rayna" further highlight Klugh's versatility, blending smooth jazz with subtle fusion elements. "Acoustic Lady (Parts I & II)" provides a serene, acoustic interlude, showcasing Klugh's skill on the guitar. "Heart String" is a testament to Earl Klugh's artistry, offering a rich and diverse listening experience that highlights his unique contributions to the jazz genre.