PITTSFIELD — William Catalano's mother recounted in court on Monday how her son used to play her a recording of the Lynyrd Skynyrd song "Simple Man."

One day, he told her, they would dance to that song at his wedding.

"I'll never see that day," said Dolores Bentley, tearfully.

Bentley was among Catalano's friends and family members to deliver impact statements at the sentencing of Anthony Boone, one of defendants charged in Catalano's slaying in October 2018.

Boone, 23, of Pittsfield is accused of taking part in the assault and beating of Catalano, but not of delivering the fatal stab wounds. He had been charged with murder, but was allowed to plead guilty to a reduced charge of manslaughter as part of an agreement reached between the legal teams.

He was sentenced to serve 12 to 15 years in state prison.

Catalano, 34, a well-known Pittsfield barber, was killed on Oct. 15, 2018, when Boone, along with co-defendants Jason Sefton and Bruce Romano, attacked him in front of a Robbins Avenue home, prosecutors say. The attack was captured on surveillance video.

Sefton can be seen stabbing Catalano on the video, according to First Assistant District Attorney Karen Bell. Boone admitted to punching and kicking Catalano during the attack.

When Catalano tried to stand up, Boone punched him and knocked him back to the ground.

After the attack, all three defendants can be seen walking away, leaving Catalano on the sidewalk.

He was taken to Berkshire Medical Center, where he died from a pair of stab wounds to his torso, one of which punctured his heart's right ventricle.

"He didn't deserve to be taken from us," Bentley said. "A piece of my soul is dark and empty."

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Catalano's fiancee, Lindsay Roucoulet, spoke of how the loss of Catalano has impacted the four children they were raising together, including his son, who was 6-months-old when his father was killed.

"There's no manual on how to live with a broken heart," she said.

Statements from Catalano's sister, father and stepmother were also presented to the court.

Judge John Agostini, who presided over Monday's hearing, called Boone's conduct "cruel and cowardly."

Boone did not speak during the proceedings, aside from answering Agostini's questions. His attorney, Paul Rudof, said Boone was remorseful for his role in Catalano's death.

Rudof said the first thing Boone told him was that Catalano didn't deserve to die and his family didn't deserve to lose him.

Boone will serve his sentence at the Massachusetts Correctional Institution at Cedar Junction. He was given credit for 483 days of time already served.

The cases against Sefton and Romano remain open.

"I offer my heartfelt condolences to those who loved William Catalano. Mr. Boone's role in this brutal homicide took the life of a young father, friend, and member of our community," Berkshire District Attorney Andrea Harrington said in a statement. "Nothing will bring Mr. Catalano back, but we hope that Mr. Boone's accepting responsibility for his actions brings some small measure of comfort to Mr. Catalano's family."

Bob Dunn can be reached at bdunn@berkshireeagle.com, at @BobDunn413 on Twitter and 413-496-6249.