![Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app](https://c-cl.cdn.smule.com/rs-s36/arr/e2/53/0bbbaa9e-587d-4842-973e-093bf62dd504.jpg)
Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app
![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 Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app](https://c-cl.cdn.smule.com/rs-s44/sing_google/performance/cover/58/be/85c73749-5950-43ae-b737-7eca1c0fbc6a.jpg)
Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app
![Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app Richard Marx Should've known better - Song Lyrics and Music by Richard Marx arranged by RichardHall79 on Smule Social Singing app](https://c-cl.cdn.smule.com/rs-s42/sing/performance/cover/17/48/13f488b6-1130-4a7e-b14b-31db4d7467a6.jpg)