Question: What is the instrument played by the instrumentalist with whom Taj Mahal and N. Ravikiran made Mumtaz Mahal?

full_context: Document 1: Rattan Mohan Sharma: Rattan Mohan Sharma (born 14 June 1971) is an Indian classical vocalist. He belongs to the Mewati gharana of Hindustani classical music. He performs classical music forms such as Khayal, Tarana, Dhrupad, Haveli Sangeet, Tappa and also in light classical forms and folk music including Bhajan as well as Rajasthani Folk. He is considered an "A" grade artist on All India Radio .
Document 2: Vishwa Mohan Bhatt: Vishwa Mohan Bhatt, also known as V. M. Bhatt (born 27 July 1950), is Grammy-winning Hindustani classical music instrumentalist who plays the Mohan Veena (slide guitar).
Document 3: Mumtaz Mahal (album): Mumtaz Mahal is an album by American blues artist Taj Mahal, N. Ravikiran and Vishwa Mohan Bhatt.
Document 4: Taj Mahal (board game): Taj Mahal is a German-style board game for 3–5 players designed by Reiner Knizia and first published in 2000 by Alea in German.
Document 5: Ram Narayan: Ram Narayan (Hindi: राम नारायण ; IAST: Rām Nārāyaṇ , ] ; born 25 December 1927), often referred to with the title Pandit, is an Indian musician who popularised the bowed instrument sarangi as a solo concert instrument in Hindustani classical music and became the first internationally successful sarangi player.
Document 6: Vishnu Narayan Bhatkhande: Pandit Vishnu Narayan Bhatkhande (Marathi: विष्णू नारायण भातखंडे)(August 10, 1860 – September 19, 1936) was an Indian musicologist who wrote the first modern treatise on Hindustani classical music (The north Indian variety of Indian classical music), an art which had been propagated earlier for a few centuries mostly through oral traditions. During those earlier times, the art had undergone several changes, rendering the raga "grammar" documented in scant old texts outdated.
Document 7: Taj Mahal replicas and derivatives: The Taj Mahal, an iconic structure in India, has inspired numerous replicas and derivatives. "The Taj", informally, is now a major tourist attraction in Agra, Uttar Pradesh, and has been regarded as one of the New Seven Wonders of the World. Since 1632, when Mughal emperor Shah Jahan began building the Taj to house the tomb of his favorite wife, Mumtaz Mahal, it has inspired many notable replicas, and major derivative structures include a 1678-started project of the emperor's grandson. Some are intended to be scale models or otherwise to be more or less faithful copies, and others are designed with mild or extreme interpretations of the Taj's architecture adapted to serve other purposes.
Document 8: Jag Changa: Jag Changa ("The World is Beautiful") is the second studio album by the Indian band The Raghu Dixit Project released on November 23, 2013 through Wandering Minstrel Records. The album features songs in Hindi, Kannada and Tamil. The album features artists including Raghu Dixit as the lead vocalist and others he met during his concerts in the UK. It includes members of the British folk band, Bellowhead, American clawhammer banjo player, Abigail Washburn and sarod player Soumik Datta.
Document 9: Sitar in jazz: The history of the sitar in jazz, that is the fusion of the sounds of Indian classical music with Western jazz, dates back from the late-1950s or early-1960s when musicians trained in Indian classical music such as Ravi Shankar started collaborating with jazz musicians such as Tony Scott and Bud Shank. Later jazz recordings containing sitar music include albums by Miles Davis, Alice Coltrane, Yusef Lateef, Joe Harriott (in collaboration with composer John Mayer), and Ornette Coleman.
Document 10: Johnny Mathis Sings the Music of Bacharach &amp; Kaempfert: Johnny Mathis Sings the Music of Bacharach &amp; Kaempfert
Document 11: Vilayat Khan: Ustad Vilayat Khan (28 August 1928 – 13 March 2004) was one of India's well known sitar maestros. Along with Ravi Shankar, Ali Akbar Khan, Nikhil Banerjee and his younger brother Imrat Khan, Vilayat Khan helped introduce Indian Classical Music to the West.
Document 12: T for Taj Mahal: T for Taj Mahal (2017 film) is an upcoming Bollywood feature film directed by 6-time President's National Award winning filmmaker Kireet Khurana and produced by Mumbai-based businessman and producer, Abis Rizvi. Rizvi was one of the victims of the terrorist attack in the Reina nightclub in Istanbul on 1 January 2017 in which 39 people were killed. The film is slated for a late 2017 release after making rounds at the international festival circuit.
Document 13: Aref Durvesh: Aref Durvesh is a celebrated and prolific tabla artist who has recorded and performed with Badmarsh & Shri, Sting, Susheela Raman, Cheb Mami, Jeff Beck, Visionary Underground, and is also one of the longest-serving members of Nitin Sawhneys band, having performed on all of his albums as well as all his UK and international tours. His father was a musician, a disciple of Bismillah Khansahib, and a world-renowned shehnai player. Aref grew up with Indian music all around him and fell in love with tabla. Aref has taken traditional tabla performance into a new dimension by integrating it into contemporary urban music, jazz, hip hop and fusion, as well as being a virtuoso in the traditional skills. He is now extending his talents to producing his own album and performing live under his own name, while continuing to tour with Nitin and Shusheela.
Document 14: Vichitra veena: The vichitra veena (Sanskrit: विचित्र वीणा is a plucked string instrument used in Hindustani music. It is similar to the Carnatic "gottuvadhyam" (chitra vina). It has no frets and is played with a slide.
Document 15: Debasis Chakroborty: Debasis Chakroborty (Bengali: দেবাশিস , Hindi: देबाशीष , born 9 June 1961) is an Indian classical slide guitar player who belongs to the Senia-Maihar Gharana. Chakroborty was born in Calcutta, India, and was groomed in the atmosphere of music from his childhood. He began learning guitar from his father Sh. Madhusudan Chakroborty. He then came under the tutelage of Pt. Barun Kumar Pal, a renowned guitarist from Kolkata and Pandit Jotin Bhattacharya, an eminent Sarod player and senior disciple of Ustad Baba Allauddin Khan Sahib of Maihar Gharana. Later on, Debasis became a disciple of the guitar maestro Pundit Brij Bhushan Kabra.
ground_truth: Mohan Veena (slide guitar)