Apopular keyboard instrument in which sound was produced by means of brass blades striking the strings was the

The instrument described is a clavichord.

Although not very popular nowadays, it was important between the 15th and the 19th century. In popular music, variations of it can be found in songs by artists such as Stevie Wonder and Bjork, but they mostly used the electric version of the instrument.

Answer (b) create a social media account and share clips of their recordings;