You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Sony_Music_Entertainment

Context:
In 2004, SME and Bertelsmann Music Group merged as Sony BMG Music Entertainment. When Sony acquired BMG's half of the conglomerate in 2008, Sony BMG reverted to the SME name. The buyout led to the dissolution of BMG, which then relaunched as BMG Rights Management. Out of the "Big Three" record companies, with Universal Music Group being the largest and Warner Music Group, SME is middle-sized.

Question:
What was the name of the other company that SME merged with?

Bertelsmann Music Group