U.S. District Judge Kendall Sharp denied a request from former music producer Lou Pearlman's defense lawyer to postpone sentencing until August. The judge said he saw no compelling reason to delay, which leaves sentencing set for May 21. Pearlman faces up to 25 years in prison after pleading guilty to stealing more than $300-million from banks and investors in a massive Ponzi scheme that collapsed last year. Pearlman was the man behind the Backstreet Boys and other boy bands. In his plea agreement, he agreed to cooperate with investigators, who are considering charges against others involved in the scheme and trying to locate assets that might be used to repay banks and investors.