Restless Heart - Not the band.
In 1992 former Chicago lead singer released his fourth solo album Word Falling Down,. The album was an Adult Contemporary hit and had some success on the Pop charts The single Restless Heart would hit #1 on the AC charts and would become his last #1 hit on those charts. The song did not do that well on the Hot 100, but did reach #35.
This would be the last Top 40 hit for Peter.