Billboard Database

HOT100
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- The Most Weeks As Number1
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TOP200
- All Time
- The Most Weeks As Number1
- 2020 - 2024
  - 2024
  - 2023
  - 2022
  - 2021
  - 2020
- 2010 - 2019
  - 2019
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  - 2000
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- 1980 - 1989
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  - 1986
  - 1985
  - 1984
  - 1983
  - 1982
  - 1981
  - 1980
- 1970 - 1979
  - 1979
  - 1978
  - 1977
  - 1976
  - 1975
  - 1974
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  - 1972
  - 1971
  - 1970
- 1963 - 1969
  - 1969
  - 1968
  - 1967
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  - 1965
  - 1964
  - 1963

Once You Understand

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Chart

Peak

#23 1972/01/15

Debut

#86 1971/12/04

Weeks Of Chart

18

Weeks Of Top40

5

Video

Action

Once You Understand

Once You Understand

Think

https://i.discogs.com/cfpUIK8IMRSKXXwqyh-yp5UQ5tHZ5Brir9_j2IREAbw/rs:fit/g:sm/q:90/h:598/w:600/czM6Ly9kaXNjb2dz/LWRhdGFiYXNlLWlt/YWdlcy9SLTEyODM2/MTItMTQ5NDI3MDc3/OS02NDQyLmpwZWc.jpeg

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