Jiří Čipera (born in 1985,) is a Czech HandsUp musician, DJ and record producer better known by his stage name Eric Mullder (EM). Beside his own work such as Lazy Me or We Are Still Here, EM made lots of remix songs and podcasts. In 2010 he released his first songs for 4Beat Records and Blue Sky Music. You can meet him as a DJ in his hometown Ceske Budejovice. One of best thing in his carrer is contract with LNG Music!