* Zenith, a mobile music performance and tuition centre run by Peter Manning, leader of the Royal Philharmonic Orchestra, and Tim Hugh, principal cellist of the London Symphony Orchestra, holds workshops for students interested in chamber music. For three months of the year the five-member group travels around the country offering a mixture of performance and tuition for adults and children of all ages. Details: Marius Carboni, PO Box 308, Sevenoaks, Kent TN15 0ZW, tel: 01732 811036, e-mail: carbonimedia@compuserve.com * ‘Art for God’s Sake’, a one-day conference and exhibition on February 20, is organised by the Association for Muslim Researchers on Islamic art. Speakers include the calligrapher Dr Ahmed Moustafa and Godfrey Goodwin of the Royal Asiatic Society. Fee: pound;10 for individuals, pound;15-pound;20 for organisations. Details: Sarah Sheriff, tel: 0181 699 1887, e-mail: amr@amrnet.demon. co.uk * John Watson, freelance theatre consultant and lecturer, holds educational lighting workshops for GCSE and A-level drama pupils. Details: John Watson, Highfield House, 9 Market Place, Heanor, Derbyshire DE75 7AA, tel: 01773 712130,e-mail: john@creative-light-design-ed.demon.co.uk