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:
user
the bio given below provides us with details about rosendo mercado ruiz, including his:

1. instrument: the bio does not specify what instrument rosendo mercado plays, but he is a rock singer and songwriter.
  
2. years active: the bio does not mention specific years that rosendo mercado was active in the music industry.

3. caption: the bio does not mention a caption related to rosendo mercado.

4. birth name: the bio mentions that his name is rosendo mercado ruiz.

5. genre: the bio identifies the genre of rosendo mercado as rock.

6. birth date: rosendo mercado was born on 23rd february 1954, according to the bio.

7. name: the bio reveals that rosendo mercado's nickname is rosendo mercado ruiz.

8. background: the bio mentions that rosendo mercado ruiz is a prominent exponent of urban rock in spain, but it does not provide specific details about his background.

9. image: as an ai, i am unable to visualize or provide details regarding rosendo mercado's image.

10. birth place: the bio indicates that rosendo mercado was born in madrid, spain.

11. associated acts: the bio mentions that rosendo mercado was a member of two bands, namely ñu and leño.

12. occupation: the bio mentions that rosendo mercado is a spanish rock singer and songwriter. he is also an active member of bands like ñu and leño.
assistant
The bio given below provides us with details about Rosendo Mercado Ruiz, including his:

1. Instrument: The bio does not specify what instrument Rosendo Mercado plays, but he is a rock singer and songwriter.
  
2. Years active: The bio does not mention specific years that Rosendo Mercado was active in the music industry.

3. Caption: The bio does not mention a caption related to Rosendo Mercado.

4. Birth name: The bio mentions that his name is Rosendo Mercado Ruiz.

5. Genre: The bio identifies the genre of Rosendo Mercado as rock.

6. Birth date: Rosendo Mercado was born on 23rd February 1954, according to the bio.

7. Name: The bio reveals that Rosendo Mercado's nickname is Rosendo Mercado Ruiz.

8. Background: The bio mentions that Rosendo Mercado Ruiz is a prominent exponent of urban rock in Spain, but it does not provide specific details about his background.

9. Image: As an AI, I am unable to visualize or provide details regarding Rosendo Mercado's image.

10. Birth place: The bio indicates that Rosendo Mercado was born in Madrid, Spain.

11. Associated acts: The bio mentions that Rosendo Mercado was a member of two bands, namely Ñu and Leño.

12. Occupation: The bio mentions that Rosendo Mercado is a Spanish rock singer and songwriter. He is also an active member of bands like Ñu and Leño.
assistant