Question:
Godflesh are an English industrial metal band from Birmingham. They were formed in 1988 by Justin Broadrick (guitar, vocals and programming) and G. C. Green (bass). Melding heavy metal with industrial music and later with electronic music and dub, Godflesh's innovative music is widely regarded as a foundational influence on other industrial metal and post-metal acts. Signing to Earache Records in the late 1980s, the band released their influential debut album, Streetcleaner (1989), to critical acclaim.
After a year of minimal activity in 1993, Godflesh briefly found themselves with major record label Columbia for the release of the EP Merciless in 1994, the title track of which was originally a Fall of Because song. Later that same year, the band released their third album, Selfless, representing a shift in the group to a more high-end production approach and to a bigger focus on traditional heavy metal riffs. Despite being the band's best-selling record with approximately 180,000 copies sold, Selfless was deemed commercial disappointment, leading to the end of Godflesh's collaboration with Columbia.  Feeling abandoned after being abruptly dropped by Columbia, Godflesh was briefly directionless in 1995. In 1996, the band returned to Earache and released their fourth studio album, Songs of Love and Hate, which marked Godflesh's first music made with a human drummer since the early Fall of Because days. Bryan Mantia of Praxis provided the aggressive, non-mechanical drumming. When it came time for the album's 1996 tour, Mantia made the move to join Primus, and Godflesh brought Ted Parsons of Prong and Swans to perform on the tour in his place. Along with the album's followup remix release, Love and Hate in Dub (1997), Songs of Love and Hate moved away from Godflesh's industrial roots into experimentation with conventional verse-chorus format, hip hop, dub and drum and bass.  This experimentation continued and increased with Godflesh's next album, 1999's Us and Them. While live drumming was dropped again in favor of percussive machines, Us and Them saw the group going further with electronics and drum-and-bass-oriented sound than ever before. Broadrick was quick to admit that he "hated" the album and that it was an "identity crisis". Retrospectively, though, he revised his thoughts, saying that his hatred was overstated despite him still having issues with the album. Shortly after releasing Us and Them in 1999, Godflesh began work on a proposed remix album, Us and Them in Dub. While this album was never released, two tracks from it appear on the 2001 compilation In All Languages. Also in 1999, Life Is Easy, an album compiling Godflesh's recordings as Fall of Because, was released on the Alleysweeper label and distributed via Martin Atkins' Invisible Records label.
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When was the album Songs of Love and Hate released?

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The Riddler (Edward Nigma) is a fictional supervillain appearing in American comic books published by DC Comics, commonly as an adversary of the superhero Batman. The character made his first appearance in Detective Comics #140 (October, 1948) and was created by Bill Finger and Dick Sprang. Depicted as a Gotham City criminal mastermind, the Riddler takes delight in incorporating riddles and puzzles into his plots, and leaves them as clues for the authorities and Batman to solve. The character is one of Batman's most enduring enemies and belongs to the collective of adversaries that make up Batman's rogues gallery.
In Tony Daniel's "Life After Death", Riddler appears early in the story at a gala party attended by Arkham, Dick Grayson, Huntress, and Oracle, hired by Penguin to find the Black Mask. As he chases Catgirl away from her robbery of the venue, the Riddler is rocked by a bomb detonation, the trauma re-awakening his psychosis. Cackling, rambling and insane, he terminates his contract with Cobblepot and disappears.  In "Riddle Me This", the Riddler still "acts" as private eye and teams with Batman to solve the murders of a mysterious sorcerer named Sebastian Rothschild (aka Sebastian Blackspell). Blackspell is apprehended, but only after Batman suspects Riddler went to great lengths to orchestrate the ordeal, including poisoning himself with a nearly lethal dose of Joker gas to skirt suspicion and act on a grudge between him and Blackspell.  Riddler's return to villainy is cemented in "Eye of the Beholder". Investigating the Sensei's attack on the Jade Society, Batman (Dick Grayson) is ambushed by Riddler and a young woman introduced as Enigma, Riddler's daughter. Riddler and Enigma escape, delivering the Jade Society member list to Gilda Dent. Riddler is paid, but is more interested in another reward, which Gilda promises after one more job. This occurs in "Pieces", where Gilda reveals herself to her estranged husband Harvey, who is now the disfigured criminal Two-Face. She hires Riddler and Enigma to help Two-Face best Mario Falcone and reclaim his coin. The plan works; Riddler and Enigma defeat Batman and reunite the Dents. The Riddler is rewarded with multiple dossiers of himself. When Enigma calls him a has-been, Riddler retorts with a new riddle: "What's green and purple and bleeds profusely?". Enigma's response is cut short by her scream, implying that the Riddler has murdered his own daughter.

when did he return to villainy?