They believe music school faculty remained largely unaware of the situation and at least some still don’t know what happened. IU policy states that under the Family Educational Rights and Privacy Act, faculty must have a “legitimate educational interest” in a student to have access to any official information.

Other people who were contacted through friends or directly by the IDS said they did not want to talk for fear Jang would sue them, harass them or keep them from getting jobs. They also said they are afraid others in the music industry will blacklist them or pinpoint them as troublemakers.

Fresh in the institutional memory of the music school is another high-profile case in which a ballet lecturer, Guoping Wang, was arrested for the sexual assault of a dancer. He pleaded guilty to a lesser charge in 2017 and is serving probation. In that case, the dancer waited until after “The Nutcracker” performances were over to report the assault, highlighting a complicated intersection of performance, academics, collaboration, image and power.

Instrumentalists face similar complexities. But those who have come forward about Jang said telling their stories is long past due.

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Colin Kulpa | IDS

Bryan Bailey, a senior double bass performance major, testified before a panel as part of the sexual misconduct hearing process about Jang’s alleged unwanted touching.

In a report Bailey submitted to the Office of Student Conduct, he said Jang would put his hand inside Bailey’s shirt, hold Bailey’s hand and touch Bailey’s neck.

Once in spring 2016, Bailey said, he was sitting in the Musical Arts Center green room with his feet on a chair and knees up. Jang put his hand down Bailey’s pants and touched his upper thigh.

Bailey said he pushed Jang away.

“And he responded laughing hysterically, because he had power, and this was his game,” Bailey wrote in his report, the text of which he provided to the IDS.

Bailey testified at Jang’s hearing in front of a panel of two faculty members and a student, he said.

“Everything I was saying, they looked at me like they’d heard it 10 times before,” Bailey said.

Max Mulpagano, another senior bassist, said he thought Jang seemed charismatic when they first met, but he started to realize things were more complicated.

Once, Jang told Mulpagano he would have to be Jang’s boyfriend if he wanted to play for Jang.

“He’s really good with manipulating his social influence,” Mulpagano said.

“He’s really good with manipulating his social influence.” — Max Mulpagano

At a recital in January 2018 backstage at IU’s Auer Hall, Mulpagano said Jang unbuttoned Mulpagano’s shirt and touched his chest.

Mulpagano said he can’t remember if he said out loud that he wanted Jang to stop, but he knows he pulled away and made it clear with his body language that he did not want to be touched.

His friend Will Kline, another bassist who said he witnessed the full incident, provided the IDS with the text of a report he filed to the university. It said Jang continued to touch Mulpagano “after asked, rather assertively, to stop.”

Kline, a junior, also documented other abuses he was aware of in his report. He said Jang would diminish students’ musical abilities and that he would grope or kiss students without their consent.

“I've seen and heard of David's misbehavior for several years, and the environment he creates at school and elsewhere is downright dangerous,” Kline wrote in his report. “David is a rather powerful person at JSOM, and he is grossly misusing that power.”

Sam House | IDS

In an interview with the IDS, Kline said his view of Jang was largely positive during his first semester at IU in fall 2016. He saw the talented people Jang hung around, and Jang’s personality seemed to be wild and cool.

“If you didn’t know this guy was such a predator, you would think, ‘Oh, wow, this guy is like awesome,’” Kline said.

But that began to change, especially the following year when he heard how uncomfortable Jang was making other students.

Kline started to avoid parties and other events if he knew Jang would be there, he said. He had considered speaking up but figured one voice wouldn't make a difference, especially because he was never directly affected. He also knew Jang was connected to professors who could influence Kline’s experience at the music school.

When people started banding together and finally sending reports, he decided it was time to join.

“I truly don’t know how David got to the point he was at at Jacobs,” Kline said.