“It bursts out of the speaker, and I get swept up with it,” Nick Cave says, describing his new album, “Wild God,” that he recorded with his band, the Bad Seeds. Cave’s fans have had to wait almost five years for Friday’s album release. It follows a tragic period lies for this legendary Australian master of ballads. In 2016, a year after the death of his 15-year-old son Arthur, Cave issued the album “Skeleton Tree,” followed in 2019 by “Ghosteen.” In 2022, Cave reported the death of another son, Jethro. With “Wild God,” the sound of mourning that had covered the most recent albums like a thick …