Luciano Pavarotti is heading an operatic version of last month's Live Aid African famine benefit. Opera stars Agnes Baltsa and Jose Carreras will be joining him in the concert Sunday in Verona, Italy. Organizers also are hoping to recruit tenor Placido Domingo, soprano Kiri Te Kanawa and Leonard Bernstein. The proceeds will go to UNICEF in Ethiopia and Sudan . . .

True-blue Trekkies will be pleased to note that Gene Roddenberry, the creator and guiding force of "Star Trek," will be at the Star Trek Convention this weekend at the Hyatt Regency in Crystal City. This is Roddenberry's first public appearance in eight years . . .

It was a winning night for the Kamber Group Wednesday night when they beat Gray and Co. in softball, 12 to 9. Bill Adair, spokesman for the victorious public relations firm, said the team's slogan was "They may be bigger, but we're the best in the field" . . .

Rock singer Boz Scaggs has been freed on bail after being arrested for investigation of driving under the influence of alcohol, police said yesterday.

Investigating officers P.J. Jackson and Debra Franks said the 41-year-old Scaggs was arrested early Monday, allegedly after running a red light.

They said Scaggs failed a sobriety test and was booked at City Prison at the San Francisco Hall of Justice. He also was accused of not having a driver's license with him and of running the red light.

Scaggs was ordered to appear in Municipal Court Sept. 17.