Question: Clic is a 1974 album whose music has stylistic similarities with an American composer widely regarded as one of the most influential musicians of what?

Context paragraphs:
Lucio Battisti: Lucio Battisti (5 March 1943 – 9 September 1998) was an Italian singer and composer.  He is considered to be one of the best-known and most influential musicians and authors in Italian pop/rock music history.

Malcolm Sargent: Sir Harold Malcolm Watts Sargent (29 April 1895 – 3 October 1967) was an English conductor, organist and composer widely regarded as Britain's leading conductor of choral works.  The musical ensembles with which he was associated included the Ballets Russes, the Huddersfield Choral Society, the Royal Choral Society, the D'Oyly Carte Opera Company, and the London Philharmonic, Hallé, Liverpool Philharmonic, BBC Symphony and Royal Philharmonic orchestras.  Sargent was held in high esteem by choirs and instrumental soloists, but because of his high standards and a statement that he made in a 1936 interview disputing musicians' rights to tenure, his relationship with orchestral players was often uneasy.  Despite this, he was co-founder of the London Philharmonic, was the first conductor of the Liverpool Philharmonic as a full-time ensemble, and played an important part in saving the Royal Philharmonic Orchestra from disbandment in the 1960s.

Fairport Convention: Fairport Convention are a British folk rock band.  Formed in 1967, they are widely regarded as a key group in the English folk rock movement.  Their seminal album "Liege & Lief" is considered to have launched the British folk rock movement, which provided a distinctively English identity to rock music and helped awaken much wider interest in traditional music in general.  The large number of personnel who have been part of the band are among the most highly regarded and influential musicians of their era and have gone on to participate in a large number of significant bands, or enjoyed important solo careers.

Pick a Dub: Pick a Dub is a 1974 album by Jamaican producer and musician Keith Hudson.  Critically well received, it is widely regarded as an important work in the dub music genre which evolved out of reggae.  Featuring remixes of earlier material, it focuses on heavy drums and bass guitar, with echoing vocals to underscore the intense percussive rhythm.  Carlton and Aston Barrett and Augustus Pablo contributed music, while vocal fragments include Hudson, Horace Andy and Big Youth.  The album was originally released under the labels of Klik and Atra, with a 1994 reissue by Blood and Fire.

Clic (album): Clic is a 1974 album by Italian experimental musician Franco Battiato.  The album, released on the Island Records label (catalogue ILPS 9323), is a brooding and intense collection of instrumental/vocal arrangements.  Dedicated to Karlheinz Stockhausen, the music has stylistic similarities with Philip Glass and Tangerine Dream, but is more lyrical and has elements of musique concrète.  It was later re-released on CD with a different track listing.

Philip Glass: Philip Morris Glass (born January 31, 1937) is an American composer.  He is widely regarded as one of the most influential musicians of the late 20th century.

Andy Iona: Andy Iona (born Andrew Aiona Long, January 1, 1902 – November 9, 1966) was an American musician and one of Hawaii's most influential musicians.  He was a composer, songwriter, conductor, saxophonist, and steel guitarist.  He went to the Kamehameha School for Boys.  He was also educated at Henri Berger's Private School of Music in Honolulu.

José Carlos Schwarz: José Carlos Schwarz (Bissau, December 6, 1949 – Havana, May 27, 1977) was a Bissau-Guinean poet and musician.  He is widely regarded as one of the most important and influential musicians of Guinea-Bissau.

Mansel Thomas: Mansel Treharne Thomas OBE (12 June 1909 – 8 January 1986) was a Welsh composer and conductor, who worked mainly in South Wales.  He was one of the most influential musicians of his generation, known as a composer, conductor and adjudicator.  He was for many years employed by the BBC and promoted the careers of many composers and performers.  He himself wrote vocal, choral (mixed, female, children’s and male voices), instrumental (solo and chamber), band and orchestral music, specialising in setting songs and poetry.  Many of his orchestral and chamber music pieces are based on Welsh folk songs and dances.

Uxía: Uxía Senlle (born November 19, 1962 in Sanguiñeda, Mos) is one of the most respected and influential musicians from Galicia, Spain, and regarded as the grande dame of Galician music.  Her songs have always the presence of traditional music but with a renewed and personal treatment.  Among other projects, she is the artistic director and alma mater of the International Lusophone Festival, Cantos na Maré.

Supporting paragraphs: Clic (album) Philip Glass
Answer: the late 20th century