Question: "Let 'Em In" is a song by Wings from which 1976 album, it's the fifth studio album by Wings, released on 25 March 1976 as a follow-up to their previous album "Venus and Mars"? 

Context paragraphs:
Let 'Em Burn: Let 'Em Burn is the third studio album by New Orleans rap group, Hot Boys, released March 25, 2003, on Cash Money Records.  The album was originally recorded from 1998 to 2000, but wasn't released until 3 years later due to Juvenile, B.G. and Turk leaving Cash Money Records.  All the production on the album is done by former Cash Money Records producer Mannie Fresh.  "Let 'Em Burn" debuted at #14 on the billboard 200 selling 64,000 copies in its first week

Hell on Earth (Mobb Deep album): Hell on Earth is the third studio album by East Coast hip hop group Mobb Deep, which was first released on November 19, 1996, on Loud/RCA/BMG Records.  The album is largely a continuation of Mobb Deep's previous album, the critically acclaimed "The Infamous".  The album is produced by Mobb Deep and also features guest appearances by emcees Nas, Raekwon, Method Man, and frequent collaborator Big Noyd.  The album stands out for its acclaimed singles "G.O.D. Pt.  III" and "Hell on Earth (Front Lines)," as well as "Drop a Gem on 'Em," a response to 2Pac's diss track "Hit 'Em Up."  A promotional single, "Still Shinin'", was released earlier that year and later added to the album.  The album, one of the earliest enhanced CDs, also contains an additional track ("In the Long Run") that at the time, had to be unlocked with the use of a computer.

Wings at the Speed of Sound: Wings at the Speed of Sound is the fifth studio album by Wings, released on 25 March 1976 as a follow-up to their previous album "Venus and Mars".  Issued at the height of the band's popularity, it reached the top spot on the US album chart and peaked at number 2 on the UK album chart.  Both singles from the album also reached the top 5 of the UK and US singles charts, with 'Silly Love Songs' reaching number 1 in the US.

Kill 'Em All: Kill 'Em All is the debut studio album by the American heavy metal band Metallica, released on July 25, 1983, by the independent record label Megaforce Records.  "Kill 'Em All" is regarded as a groundbreaking album for thrash metal because of its precise musicianship, which fuses new wave of British heavy metal riffs with hardcore punk tempos.  The album's musical approach and lyrics were markedly different from rock's mainstream of the early 1980s and inspired a number of bands who followed in similar manner.  The album did not enter the "Billboard" 200 until 1986, when it peaked at number 155, following Metallica's commercial success with its third studio album "Master of Puppets"; the 1988 Elektra reissue peaked at number 120.  "Kill 'Em All" was critically praised at the time of its release and in retrospect, and was placed on a few publications' best album lists.  It was certified 3× Platinum by the Recording Industry Association of America (RIAA) in 1999 for shipping three million copies in the United States.  The album generated two singles, "Whiplash" and "Jump in the Fire".

Let 'Em In: "Let 'Em In" is a song by Wings from their 1976 album "Wings at the Speed of Sound".  It was written and sung by Paul McCartney and reached the top 3 in the United Kingdom, the United States and Canada.  It was a No. 2 hit in the UK; in the U.S. it was a No. 3 pop hit and No. 1 easy listening hit.  In Canada, the song was No. 3 for three weeks on the pop chart and No. 1 for three weeks on the MOR chart of "RPM" magazine.  The single was certified Gold by the Recording Industry Association of America for sales of over one million copies.  It can also be found on McCartney's 1987 compilation album, "All the Best! " A demo of the song, featuring Denny Laine on lead vocal, was included as a bonus track on the Archive Collection reissue of "Wings at the Speed of Sound".

Alexz Johnson: Alexzandra Spencer "Alexz" Johnson (born November 4, 1986) is a Canadian singer-songwriter, record producer, actress and philanthropist.  Her debut album "Voodoo" was independently released in 2010, followed by the demo release of "The Basement Recordings" in 2011, with its sequel, "The Basement Recordings II", and EP "Skipping Stone" in 2012. " The Basement Recordings III" was released in 2013.  A follow-up extended play "Heart" followed in 2014; with her sophomore effort "Let 'Em Eat Cake" being released October of that year.  Johnson's third studio album "A Stranger Time" was released in 2017.

I Told You So (Chino XL album): I Told You So is the second studio album by Chino XL released by Metro Records on August 21, 2001.  The album peaked at #98 on the "Billboard" R&B Albums chart.  Kool G Rap has a guest appearance on the song "Let 'Em Live," which was released as a single.  It was originally slated to be released by Warner Bros.  Records, and the catalogue number 47710 was assigned to the release, but Chino XL was dropped by the label shortly after the previously mentioned single was released.

Venus and Mars (Wings album): Venus and Mars is the fourth studio album by Wings.  Released in 1975 as the follow-up to the successful "Band on the Run", "Venus and Mars" continued Wings' string of success and would prove a springboard for a year-long worldwide tour.  It was Paul McCartney's first post-Beatles album to be released worldwide on the Capitol Records label.

Beware My Love: "Beware My Love" is a song credited to Paul and Linda McCartney that was first released on the Wings 1976 album "Wings at the Speed of Sound".  It was also used as the B-side of the single that included "Let 'Em In".  A live version recorded on June 7, 1976, in Denver, Colorado, was included on the Wings' album "Wings Over America" and another live version from three days later in Seattle, Washington, was shown in the concert film "Rockshow".  An excerpt from the "Rockshow" performance was also included in the documentary "Wings Over the World".

Lovehatetragedy: Lovehatetragedy is the second album by the rock band Papa Roach.  It was released on June 18, 2002.  A re-recorded version of the song "M-80 (Explosive Energy Movement)" was featured in the game "Amplitude".  The song "She Loves Me Not" was featured in the game "NHL 2003".  The songs "She Loves Me Not" and "Walking Thru Barbed Wire" were recorded in 1999, with the former appearing on the band's 1999 demo and the latter on the "...Let 'Em Know!"  EP.  Despite peaking at higher positions on most charts worldwide, the album failed to catch the success of the band's previous album "Infest", and moreover is considered one of their most underrated work, as no songs on the album are played anymore in live concerts.

Supporting paragraphs: Let 'Em In Wings at the Speed of Sound
Answer: Wings at the Speed of Sound