Question: What album, released on 27 March 1984, featured the heavy metal ballad that reached number 64 on "Billboard" Hot 100 in July 1984?

full_context: Document 1: When It's Love: "When It's Love" is a power ballad by the American rock band Van Halen. It was released as a single from their album "OU812". It was the most popular song from that album, hitting #1 on the "Billboard" Mainstream Rock charts and #5 on the "Billboard" Hot 100 chart. The song has been a live performance staple since it was released in 1988. The song was also included in the set list for the band's ill-fated 1998 tour with Gary Cherone. Eddie has stated that this particular guitar solo is a nod to Eric Clapton.
Document 2: The Firm (album): The Firm is the first studio album by the British rock band The Firm, released by Atlantic Records on 11 February 1985. Tracks ranged from the epic "Midnight Moonlight" based on a previously unreleased song by Led Zeppelin called "Swan Song", first tinkered with during the "Physical Graffiti" sessions, to the commercially successful "Radioactive". "Closer" employs a horn section to subtle effect. It also includes the Righteous Brothers' hit "You've Lost That Lovin' Feelin'" with the fretless bass sound of Tony Franklin.
Document 3: You're My Heart, You're My Soul: "You're My Heart, You're My Soul" is the first single by German duo Modern Talking released off their debut album "The 1st Album". The single was released on 29 October 1984 but entered the top 40 in Germany on 21 January and entered the top 10 at no. 9 in Germany on 28 January 1985, almost 3 months after its release date. It took another 5 weeks for the single to reach the top of the German single chart, it spent six weeks at the number one position in Germany and total of 25 weeks within the German Single Chart eventually reaching a gold status for selling well over 250,000 units at home. "You're My Heart, You're My Soul" is considered their best-selling single to date with worldwide sales said to exceed 8 million copies.
Document 4: Lovin' You's a Dirty Job: "Lovin' You's a Dirty Job" is a single by the American heavy metal band Ratt. It was released as the first single from their 1990 album "Detonator". The song was co-written by Ratt bassist Juan Croucier, guitarist Warren DeMartini, lead singer Stephen Pearcy and songwriter Desmond Child. The song is known for its anthemic chorus, and Pearcy's raspy vocals. The B-Side of the US single was "What's It Gonna Be", taken from their previous album "Reach for the Sky". There was also a UK 12" which included a remix of "Lovin' You..." which was eventually included on "Collage".
Document 5: Are You Still in Love with Me: "Are You Still in Love with Me" is a song written by Jack White, K. C. Porter and Mark Spiro, and performed by Anne Murray. The song reached #8 on the Canadian Adult Contemporary chart, #10 on the Canadian Country chart, and #20 on the U.S. Country chart in 1987. It was released in May 1987 as the first single from her album "Harmony". The song was produced by Jack White.
Document 6: Stone Love (song): "Stone Love" is a 1987 song written and performed by Kool & the Gang, issued as the second single from the band's 1986 album "Forever". The song peaked at number 10 on the "Billboard" Hot 100 in April 1987, becoming the band's final Top 10 single, and also their final top 40 to date.
Document 7: Love Bites (Def Leppard song): "Love Bites" is a power ballad recorded by the English rock band Def Leppard in 1987 on the album "Hysteria". It is Def Leppard's only number-one single on the "Billboard" Hot 100 to date.
Document 8: Love at First Sting: Love at First Sting is the ninth studio album by German hard rock band Scorpions. It was released on 27 March 1984 on Harvest/EMI in Europe and Mercury in the US. The album contains "Rock You Like a Hurricane", "Still Loving You", and "Big City Nights", three of the band's most famous songs.
Document 9: Still Love You: "Still Love You" is a song by Japanese pop group AAA. It is their 32nd single and is included in the group's seventh studio album "". The song was written by Mitsuhiro Hidaka and Kaji Katsura. The single was released in Japan on May 16, 2012, under Avex Trax in four editions: a CD-only edition, a CD and DVD A edition, a CD and DVD B edition, and a Mu-Mo edition. "Still Love You" debuted at number three on the weekly Oricon singles chart. The single charted for seven weeks and went on to sell over 55,000 copies in Japan.
Document 10: Still Loving You: "Still Loving You" is a heavy metal ballad by the German rock band Scorpions. It was released in July 1984 as the second single from their ninth studio album, "Love at First Sting" (1984). The song reached number 64 on "Billboard" Hot 100.
Document 11: Big City Nights (song): "Big City Nights" is a song by German hard rock band Scorpions. The song was released as the sixth track of their 1984 album "Love at First Sting". Like many Scorpions songs, "Big City Nights" was composed by band members Rudolf Schenker and Klaus Meine. The song was also released as the third single from the album in 1984, with the B-side being "Bad Boys Running Wild". The guitar solo is performed by Rudolf Schenker.
Document 12: Scorpions (band): Scorpions are a German rock band formed in 1965 in Hanover by Rudolf Schenker. Since the band's inception, its musical style has ranged from hard rock to heavy metal. The lineup from 1978–92 was the most successful incarnation of the group, and included singer Klaus Meine (vocals), Rudolf Schenker (rhythm guitar), Matthias Jabs (lead guitar), Francis Buchholz (bass guitar), and Herman Rarebell (drums). The band's only constant member has been Schenker, although Meine has been the lead singer for all of the band's studio albums, and Jabs has been a consistent member since 1979.
Document 13: No One Like You: "No One Like You" is a song by German rock band Scorpions. It was written by band members Rudolf Schenker (guitar) and Klaus Meine (lead singer), and released as the lead single from the band's eighth studio album Blackout (1982). The song was produced by Dieter Dierks and recorded at Dierks' own studio.
Document 14: I Want to Know What Love Is: "I Want to Know What Love Is" is a power ballad by the British-American rock band Foreigner. It was released in November 1984 as the lead single from their fifth album, "Agent Provocateur". The song hit number one in both the United Kingdom and the United States and is the group's biggest hit to date. It remains one of the band's best-known songs and most enduring radio hits, charting in the top 25 in 2000, 2001, and 2002 on the "Billboard" Hot Adult Contemporary Recurrents chart. "I Want to Know What Love Is" has continued to garner critical acclaim, and is listed as one of Rolling Stone Magazine's greatest songs of all time at #479. The song is also featured in a number of films.
Document 15: Send Me an Angel (Scorpions song): "Send Me an Angel" is a song by the German rock band Scorpions, recorded for their eleventh studio album, "Crazy World" (1990). The song was composed by Rudolf Schenker, written by Klaus Meine, and produced by Keith Olsen and the band. It was released as the album's fourth and final single in September 1991. Along with "Wind of Change", the song became the album's signature track, reaching number 44 on "Billboard" Hot 100 Chart on January 25, 1992, number 8 on the Mainstream Rock Chart and high chart positions in many European countries.
ground_truth: Love at First Sting