MEMPHIS, Tenn. — Elvis Presley fans flocking to Memphis this weekend to remember the day he died are being encouraged to also celebrate the 40th anniversary of his final No. 1 hit single, “Suspicious Minds.”

While they can tour Graceland, the estate where he died 32 years ago, or Sun Studio, which helped make him the King of Rock ’n’ Roll, the Elvis faithful can’t see the place where that hit record was made. There’s nothing left, not even a historical marker, to remind people of the sessions that produced the “From Elvis in Memphis” album.

American Sound Studio folded in 1972 and the building was later torn down. In its place are a beauty shop and a crumbling parking lot.

“I haven’t been back there to see,” said Chips Moman, who ran the studio and produced the 1969 Elvis sessions. “I put it out of my mind.”

But in 1969, American Sound Studio was at the top of its game, in the middle of a three-year span that would yield more than 100 hit records for artists that included B. J. Thomas, Neil Diamond and Dusty Springfield.

Presley, meanwhile, had spent much of the previous years filming and recording soundtracks to his largely forgettable movies. He hadn’t recorded in Memphis since leaving the Sun label in 1955.

But he was also coming off the roaring success of his televised comeback special in December 1968 and proved willing to take some risks in hopes of charting his first No. 1 hit in six years.

“All of us had always liked Elvis, his early stuff,” Moman, 72, said in a telephone interview from his home in LaGrange, Ga. “We didn’t like all that movie stuff, so when we got our chance we wanted to cut some stuff that we liked.”

Presley arrived at the studio in January 1969 with his sizable entourage of friends and handlers, and some potential songs were presented to Moman and the band.

The entourage began melting away as Presley began to gel with Moman and the band in overnight recording sessions. He agreed to record “In the Ghetto,” unusual in Elvis’ repertoire for its social commentary on the cycle of crime and poverty, and “Suspicious Minds,” which became a centerpiece of his live Las Vegas performances that would begin that year.

“I knew that he was only a good song away from being as big as he ever was,” Moman said. “I knew Elvis had what it takes.

“We just gave him something new, and a new kind of groove.”

Presley never lived to see another No. 1 single. He died Aug. 16, 1977, of heart disease worsened by years of prescription drug abuse.