Young, Neil - Under Review 1966-1975 is an engaging and comprehensive documentary that intricately examines the first decade of Neil Young's extraordinary career. From his early days with Buffalo Springfield to his collaboration with Crosby, Stills, Nash & Young, and his work beyond the '70s, this insightful movie deep dives into crucial facets of Young's career that have made him one of the most respected and influential artists in the history of popular music.

In fact, the film takes the viewer on an exciting journey through Young's evolution as an artist, presenting a progression in his artistry that was nothing short of remarkable. It begins with exploring Young's early life and upbringing in Canada, and traces his route to fame beginning in the mid-60s with the rock band Buffalo Springfield, shedding light on the experiences and environments that deeply influenced his music.

In a meticulous analysis, we see Young's transformation from a folk-rock hero into an advocate for varied genres like country, rockabilly, and electronica. The '60s and '70s marked his innovative and distinctive experimentation with different genres and saw him become one of the pioneering figures of grunge rock. His unexplored journey through these early years offers a rich tapestry of music history.

Year by year, album by album, the documentary doesn't miss a beat in illustrating Young's creativity and his sheer endearing resilience, making it a valuable film for fans and music enthusiasts alike. It highlights the professional highs and lows Young faced during these years, emphasizing the tumultuous yet fascinating career phase of the man often referred to as the 'Godfather of Grunge.'

One of the most engaging aspects of the film is the expert analysis provided by a diverse array of musicians, music journalists, and those who have known or worked with Neil Young over the years. Their commentary offers detailed, professional perspectives and personal anecdotes on Young's music during this era, providing the viewer with a deep understanding of his music’s impact on contemporary and future generations of musicians.

The movie is interspersed with archival footage featuring Neil Young's inimitable live performances, and includes seldom-seen interviews and narration from the singer-songwriter himself. These snippets provide an authentic perspective on Young's thoughts, beliefs, and drive that strongly contributed to his songwriting style and his standing as a musical legend.

Young, Neil - Under Review 1966-1975 spans almost a decade of Neil Young's career, it addresses a variety of themes including artistic integrity, political activism, and personal grit. It demonstrates how Young never shied away from using his music as a platform to voice out his views on poignant political and social issues, and how he challenged the mainstream music industry norms, which only helped to cement his status as one of the most unique and compelling voices of his generation.

The film itself is a testament to Neil Young's innovation and prolific contribution to the world of music as it delves into the trajectory of his career during his defining years, which saw the birth and growth of timeless hits like "Heart of Gold," "After the Gold Rush," and "Helpless." Neil Young's journey, as explored in this film, is inspiring in its defiance of expectations and its relentless pursuit of authentic expression.

In a nutshell, Young, Neil - Under Review 1966-1975 is not merely a documentary about an icon in the history of rock and roll. It also provides a panoramic view of the evolution of popular music from the mid-'60s through the '70s and offers a fascinating examination of a musician's unwavering dedication to his craft. This movie underscores Neil Young’s incredible talent and his fearless dedication to his artistry, making it an essential watch for music fanatics and Neil Young devotees alike. Whether you're a die-hard Neil Young fan or simply interested in the history of modern music, this expertly crafted documentary is sure to captivate, inform, and impress.