I Don't Know Why I Love You - Stevie Wonder
- Entered the US chart on 15 February 1969 and spent 7 weeks in the charts, reaching a high of number 39.
- Entered the UK chart on 19 March 1969 and spent 10 weeks in the charts, reaching a high of number 14.
- Re-entered the UK chart on 09 July 1969 and spent 1 week in the charts, reaching a high of number 43.
- Motown Hits Of Gold - Volume 3 - WD72403
- The Complete Motown Singles - Volume 9 - 1969 - B0010270-02 - Commercial Version
- The Complete Motown Singles - Volume 9 - 1969 - B0010270-02 - Promo Version
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