Heavy Mellow is a 1999 live album

Live album

A live album is a recording consisting of material recorded during stage performances using remote recording techniques, commonly contrasted with a studio album...

 by Canadian rock group, 54•40.

It is a two-disc set; as its name implies, one disc contains "heavy" rock

Rock music

Rock music is a genre of popular music that developed during and after the 1960s, particularly in the United Kingdom and the United States. It has its roots in 1940s and 1950s rock and roll, itself heavily influenced by rhythm and blues and country music...

 performances and the other contains "mellow" acoustic renditions. Many acoustic album versions vary greatly from their studio counterparts, due to the addition of new instruments that weren't used before (such as accordions). These tracks include Radio Luv Song, Crossing a Canyon, and Miss You. In addition, the live version of Music Man is extended compared to the studio version.

Disc one

1. "She La
   She La
   "She La" is the second single by Canadian rock group 54-40 from the band's 1992 album, Dear Dear. The song peaked at #38 on the RPM Canadian Singles Chart.-Music video:...
   
   "
2. "Ocean Pearl
   Ocean Pearl
   "Ocean Pearl" is a song by Canadian rock group 54-40. It was the most popular single from the band's 1994 album, Smilin' Buddha Cabaret. The song was very successful in the band's native Canada, peaking at #22 on the RPM Canadian Singles Chart. It is considered to be one of the band's signature...
   
   "
3. "Nice to Luv You
   Nice to Luv You
   "Nice to Luv You" is the first single by Canadian rock group 54-40 from the band's 1992 album, Dear Dear.-Charts:...
   
   "
4. "Lies to Me
   Lies to Me
   "Lies to Me" is the second single by Canadian rock group 54-40 from the band's seventh studio album, Trusted by Millions.-Charts:...
   
   "
5. "Since When
   Since When (song)
   "Since When" is a song by Canadian rock band 54-40. The song is the first single and title track of the band's eighth studio album, Since When. The song is the highest charting single in the band's history, peaking at No. 11 on the RPM singles chart in Canada. It has since become one of the band's...
   
   "
6. "Assoholic"
7. "Baby Ran"
8. "Music Man"
9. "Love You All
   Love You All
   "Love You All" is the first single by Canadian rock group 54-40 from the band's seventh studio album, Trusted by Millions.-Charts:...
   
   "

Disc two

1. "One Gun"
2. "One Day in Your Life
   One Day in Your Life (54-40 song)
   "One Day in Your Life" is a song by Canadian rock group 54-40. It was the first single released from the band's 1987 album, Show Me. It was the band's first song to chart on Canada's singles Chart, peaking at #90 on the RPM chart in May, 1988. It is considered to be one of the band's signature songs....
   
   "
3. "Miss You"
4. "Radio Luv Song"
5. "I Go Blind
   I Go Blind
   "I Go Blind" is a song by Canadian alternative rock group 54-40. The song was released as a single from the band's 1986 self-titled album, 54-40. It has since become one of the band's most popular songs.-Hootie & the Blowfish cover:...
   
   "
6. "Crossing a Canyon"
7. "I Could Give You More"
8. "Laughing"
9. "She La"
10. "Ocean Pearl"