Instruction: Answer ALL questions. Question 1 Draw an Entity Relationship Diagram (ERD) based on the following description: KRA Records has decided to store information about musicians who perform on its albums (as well as other company data) in a database. The company has wisely chosen to hire you as a database designer. Each musician that records at KRA has a SOCSO number, a name and an address. Each instrument used in songs recorded at KRA has a unique identification number, a name (e.g., guitar, synthesizer, flute) and a musical key (e.g., C, B- flat, E-flat). Each album recorded on the KRA label has a title, a copyright date and an album identifier. Each song recorded at KRA has a unique identification number, title and an author name. Each musician may play several instruments, and a given instrument may be played by several musicians. Each album has a number of songs on it, but no song may appear on more than one album. Each song is performed by one or more musicians, and a musician may perform a number of songs. Each album has exactly one musician who acts as its producer. A musician may produce several albums. [20 marks]