Marjo Leinonen is a commanding figure in the Finnish music scene, known for her distinctive voice and electrifying stage presence. She has been an active and influential artist in Finland, with a career that spans several decades. Her style is a blend of soul, blues, and rock, demonstrating both raw power and emotional depth in her performances. Throughout her career, Leinonen has gained a reputation for her gritty and soulful vocal delivery, which has become her trademark.

Some of her more recent work includes singles such as "Holy Roller," which showcases Marjo's ability to infuse traditional rock 'n' roll with a contemporary edge. "Loose Hat" and "Paha pysy pois" further exemplify her versatility and skill in blending genres to create music that is both distinctive and broadly appealing. With "Marjo Leinonen Huff 'n' Puff," she fronts a group that complements her dynamic voice with equally energetic musical arrangements, offering a modern twist to blues-infused rock. As she continues to release new material, Marjo Leinonen remains an enduring and spirited artist in the Finnish music industry.