Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

NEW YORK, NY--(Marketwired - Jul 30, 2015) - In celebration of the release of ACM and CMA Entertainer of the Year Luke Bryan's Kill The Lights , Citi will present an exclusive concert by the award-winning country artist that will stream live from Irving Plaza on August 7 th on the Live Nation Channel on Yahoo .

Answer: operator: Irving Plaza, Live Nation