and exhibition titles duchamp margreet the elite revolutionary artist of the twentieth century open to the give you a palace in madrid on tuesday it features one hundred eighty works by famous thought his and surrealistic who revolutionized twentieth century art. the works are on loan from israel's national museum and can be seen in the spanish capital until july fifteenth. continuing now with our series on musical instruments and today we're taking a closer look at various forms of percussion normally drum sets are firmly planted on the floor but in this virtual day and age digital technology is allowing drummers to play their instruments and their. field can you say we're drums with any any type of music you can play any style with the. drums might remind you of an guitarist imitating his favorite musician but. actually create sounds when he swings his drum sticks in empty space drums is a virtual instrument. john move on from france is one of the inventors together with drama. he demonstrates the principle behind it the drumsticks have reflective tips and there are also reflective m