Please answer the following question: Information: - The Notting Hillbillies was a country rock project formed by British singer-songwriter Mark Knopfler in May 1986. The group consisted of Knopfler (guitar and vocals), Steve Phillips (guitar and vocals), Brendan Croker (guitar and vocals), Guy Fletcher (keyboards and vocals), Paul Franklin (pedal steel), Marcus Cliffe (bass), and Ed Bicknell (drums). They gave their first performance at a small club in Leeds, and followed up with a tour. - Michael John "Mike" Hugg (born 11 August 1942) is a musician (drums, vibraphone, vocals, keyboards, songwriter) who achieved fame as a founding member of the 1960s group Manfred Mann. - Brendan Croker (born 15 August 1953 in Bradford, Yorkshire) is a musician from Leeds who has recorded albums under his own name and with occasional backing band; The Five O'Clock Shadows. He was also a member of The Notting Hillbillies. During the late 1980s he was an auxiliary member of The Mekons and a full-time member of Sally Timms and the Drifting Cowgirls. - Marcus Cliffe ( born 1962 , Leeds , Yorkshire , England ) is an English professional musician , currently the bass player in The Manfreds , a reunion of members of the 1960s pop group Manfred Mann ( minus Manfred Mann himself ) . He has also worked with , amongst others , Brendan Croker , Mark Knopfler , Eric Clapton , and Rod Stewart . Cliffe is also a member of the jazz trio PBD with fellow Manfred musician Mike Hugg . - Dire Straits were a British rock band that formed in Deptford, London, in 1977 by Mark Knopfler (lead vocals and lead guitar), his younger brother David Knopfler (rhythm guitar and backing vocals), John Illsley (bass guitar and backing vocals), and Pick Withers (drums and percussion). Dire Straits' sound drew from a variety of musical influences, including jazz, folk, and blues, and came closest to beat music within the context of rock and roll. Despite the prominence of punk rock during the band's early years, their stripped-down sound contrasted with punk, demonstrating a more "rootsy" influence that emerged from pub rock. Many of Dire Straits' compositions were melancholic. - Blues is a genre and musical form originated by African Americans in the Deep South of the United States around the end of the 19th century. The genre developed from roots in African musical traditions, African-American work songs and European-American folk music. Blues incorporated spirituals, work songs, field hollers, shouts, chants, and rhymed simple narrative ballads. The blues form, ubiquitous in jazz, rhythm and blues and rock and roll, is characterized by the call-and-response pattern, the blues scale and specific chord progressions, of which the twelve-bar blues is the most common. Blue notes (or "worried notes"), usually thirds or fifths flattened in pitch, are also an essential part of the sound. Blues shuffles or walking bass reinforce the trance-like rhythm and form a repetitive effect known as the groove. - The vibraphone (also known as the vibraharp or simply the vibes) is a musical instrument in the struck idiophone subfamily of the percussion family. - Eric Patrick Clapton, (born 1945), is an English rock and blues guitarist, singer, and songwriter. He is the only three-time inductee to the Rock and Roll Hall of Fame: once as a solo artist and separately as a member of the Yardbirds and Cream. Clapton has been referred to as one of the most important and influential guitarists of all time. Clapton ranked second in "Rolling Stone" magazine's list of the "100 Greatest Guitarists of All Time" and fourth in Gibson's "Top 50 Guitarists of All Time". He was also named number five in "Time" magazine's list of "The 10 Best Electric Guitar Players" in 2009. - Mark Freuder Knopfler, (born 12 August 1949) is a Scottish singer, songwriter, guitarist, record producer and film score composer. He is best known as the lead guitarist, lead singer and songwriter for the rock band Dire Straits, which he co-founded with his younger brother, David Knopfler, in 1977. Given the paragraphs above, decide what entity has the relation 'instrument' with 'guitar'.
A:
marcus cliffe