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Similarly , the growing popularity of Balkan brass with sample-hunting D.J. 's in the United States and Europe -- led by Shantel of Germany , whose '' Bucovina Club '' nights in Frankfurt ignited an electro-Balkan avalanche -- which has been a key factor in introducing the centuries-old music to first-time listeners .
 location contains: Germany, Frankfurt; location contains: Europe, Germany
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Germany, Frankfurt; Europe, Germany 
Answer:
 location contains: Germany, Frankfurt; location contains: Europe, Germany