![Martha Quinn Ⓥ on Twitter: "ICYMI a really cool feature of the free @iHeartRadio app is getting the lyrics to your fave songs #instantKaraoke @ richardmarx #shouldveknownbetter Download the app here! https://t.co/3gBofEjuek https://t.co/O2WpEb4lYs" / Martha Quinn Ⓥ on Twitter: "ICYMI a really cool feature of the free @iHeartRadio app is getting the lyrics to your fave songs #instantKaraoke @ richardmarx #shouldveknownbetter Download the app here! https://t.co/3gBofEjuek https://t.co/O2WpEb4lYs" /](https://pbs.twimg.com/media/DSj6mzAUMAAsnLH.jpg)
Martha Quinn Ⓥ on Twitter: "ICYMI a really cool feature of the free @iHeartRadio app is getting the lyrics to your fave songs #instantKaraoke @ richardmarx #shouldveknownbetter Download the app here! https://t.co/3gBofEjuek https://t.co/O2WpEb4lYs" /
![Richard Marx on Twitter: "#TBT on the set of the video for “Should've Known Better” in 1987. https://t.co/P3k8iTwi1D" / Twitter Richard Marx on Twitter: "#TBT on the set of the video for “Should've Known Better” in 1987. https://t.co/P3k8iTwi1D" / Twitter](https://pbs.twimg.com/media/DwkR-IWV4AA_ipS.jpg)
Richard Marx on Twitter: "#TBT on the set of the video for “Should've Known Better” in 1987. https://t.co/P3k8iTwi1D" / Twitter
![Richard Marx Should've Known Better 7 Inch Vinyl UK EMI 1987 B/w Rhythm of Life for sale online | eBay Richard Marx Should've Known Better 7 Inch Vinyl UK EMI 1987 B/w Rhythm of Life for sale online | eBay](https://i.ebayimg.com/images/g/dfEAAOSwb~RgEAk4/s-l640.jpg)
Richard Marx Should've Known Better 7 Inch Vinyl UK EMI 1987 B/w Rhythm of Life for sale online | eBay
![Richard Marx "Should've Known Better" Sheet Music PDF Notes, Chords | Rock Score Piano, Vocal & Guitar (Right-Hand Melody) Download Printable. SKU: 77615 Richard Marx "Should've Known Better" Sheet Music PDF Notes, Chords | Rock Score Piano, Vocal & Guitar (Right-Hand Melody) Download Printable. SKU: 77615](https://freshsheetmusic.com/media/catalog/product/r/i/richard_marx-should_ve_known_better-musicnotes_thumbnail.png)
Richard Marx "Should've Known Better" Sheet Music PDF Notes, Chords | Rock Score Piano, Vocal & Guitar (Right-Hand Melody) Download Printable. SKU: 77615
![Richard Marx Should've Known Better - Engraved UK 12" vinyl single (12 inch record / Maxi-single) (24365) Richard Marx Should've Known Better - Engraved UK 12" vinyl single (12 inch record / Maxi-single) (24365)](https://images.eil.com/large_image/RICHARD_MARX_SHOULDVE%2BKNOWN%2BBETTER%2B-%2BENGRAVED-24365c.jpg)