Given the question: Read the bio below and try to give details on rosendo mercado 's:    - instrument     - years active     - caption     - birth name     - genre       - birth date     - name     - background     - image     - birth place     - associated acts     - occupation     Bio: rosendo mercado ruiz -lrb- born 23 february 1954 , madrid , spain -rrb- is a spanish rock singer and songwriter . he was a member of bands Ñu and leño , and is a prominent exponent of the so-called urban rock in spain .
The answer is:
- instrument is vocals , guitar- years active is 1972 -- present- caption is rosendo live in 2012- birth name is rosendo mercado ruiz- genre is hard rock , rock and roll , blues rock- birth date is 23 february 1954- name is rosendo- background is solo_singer- image is rosendo - 11.jpg- birth place is madrid , spain- associated acts is Ñu , leño- occupation is musician , songwriter