12350
In his recording studio in Madrid , he experiments with a diversity of instruments , resulting in an enriching combination between electronic and acoustic sounds .
 Madrid
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Madrid