# I Know But I Don't Know — Blondie

<https://hit-masters.com/en/tracks/blondie-i-know-but-i-dont-know-7zgSbg5Ct-Y>

[Home](https://hit-masters.com/en) › [Blondie](https://hit-masters.com/en/artists/blondie-UCF6I8FH_f6NBEsngIfkZY6g) › [Sunday Girl](https://hit-masters.com/en/albums/blondie-sunday-girl-MPREb_u1VDiTnWTsU) › [I Know But I Don't Know](https://hit-masters.com/en/tracks/blondie-i-know-but-i-dont-know-7zgSbg5Ct-Y)

“I Know But I Don't Know” by Blondie. From the album Sunday Girl (1979). Certified Demo (Common) in HitMasters, the music trading card game.

| Field | Value |
| --- | --- |
| Artist | [Blondie](https://hit-masters.com/en/artists/blondie-UCF6I8FH_f6NBEsngIfkZY6g) |
| Album | [Sunday Girl](https://hit-masters.com/en/albums/blondie-sunday-girl-MPREb_u1VDiTnWTsU) |
| Year | 1979 |
| Length | 3:57 |
| Certification | [Demo (Common)](https://hit-masters.com/en/ranks/demo) |
| YouTube Music plays | 491,000 |
| YouTube Music | [https://music.youtube.com/watch?v=7zgSbg5Ct-Y](https://music.youtube.com/watch?v=7zgSbg5Ct-Y) |

## The certification

Certification for songs whose popularity index ranges from 0 to 640,000. Published odds per record pulled: 70%. Rarity: Common.

## On the same album

- [Sunday Girl (Remastered 2001) – Blondie (B-Side)](https://hit-masters.com/en/tracks/blondie-sunday-girl-remastered-2001-WBRMfZFrMYs)
- [Sunday Girl – Blondie (Demo)](https://hit-masters.com/en/tracks/blondie-sunday-girl-a7ah_8b89tA)

## More by Blondie

- [Heart Of Glass – Blondie (Hall of Fame)](https://hit-masters.com/en/tracks/blondie-heart-of-glass-WGU_4-5RaxU)
- [Heart Of Glass (Single Version / Remastered) – Blondie (Hall of Fame)](https://hit-masters.com/en/tracks/blondie-heart-of-glass-single-version-remastered-A4MrL7ncX9M)
- [Call Me – Blondie (Diamond Record)](https://hit-masters.com/en/tracks/blondie-call-me-StKVS0eI85I)
- [Maria (Radio Edit) – Blondie (Diamond Record)](https://hit-masters.com/en/tracks/blondie-maria-radio-edit-6ZAWNgEbdqA)
- [Call Me (Theme From "American Gigolo") – Blondie (Diamond Record)](https://hit-masters.com/en/tracks/blondie-call-me-theme-from-american-gigolo-o3hHsVtqNFQ)
- [Call Me (Theme From American Gigolo) – Blondie (Diamond Record)](https://hit-masters.com/en/tracks/blondie-call-me-theme-from-american-gigolo-lV1qC1GIYTE)
- [Call Me (Theme From "American Gigolo" / Remastered 2001) – Blondie (Diamond Record)](https://hit-masters.com/en/tracks/blondie-call-me-theme-from-american-gigolo-remastered-2001-LhJNUbF8nWI)
- [Call Me (Theme From "American Gigolo") – Blondie (Diamond Record)](https://hit-masters.com/en/tracks/blondie-call-me-theme-from-american-gigolo-LScMaMon-qQ)

## Other songs certified Demo

- [La Vida – Liran' Roll (Demo)](https://hit-masters.com/en/tracks/liran-roll-la-vida-q1KMWxpi-XY)
- [Sans arrêt – Louane (Demo)](https://hit-masters.com/en/tracks/louane-sans-arret-0rVZ1nfU7ng)
- [Ahebbak Leh (Al Bahrain Concert 2025) – Abdul Majeed Abdullah (Demo)](https://hit-masters.com/en/tracks/abdul-majeed-abdullah-ahebbak-leh-al-bahrain-concert-2025-du1UIMP1Exs)
- [Boom Boom – Yanns (Demo)](https://hit-masters.com/en/tracks/yanns-boom-boom-PmjiJEuCcDM)
- [Piano Joint (This Kind Of Love) (Intro) – Michael Kiwanuka (Demo)](https://hit-masters.com/en/tracks/michael-kiwanuka-piano-joint-this-kind-of-love-intro-NPOyFQQvXJ4)
- [La vie la nuit – Début de Soirée (Demo)](https://hit-masters.com/en/tracks/debut-de-soiree-la-vie-la-nuit-Ion8y05xLvA)

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Songs, cover art and plays: YouTube Music. HitMasters, the music trading card game.