Hold shift to scroll through samples in piano

So what I truly miss in rando is the option to scroll through the sound with my mouse, such as i can do in XO, in this way I can quickly listen to what I have loaded into rando. It’s no intuitive to move the mouse precisely up and down to the sample/key to listen to it. But, I do like the action to simply export the sample or drag it to another key. So i would suggest using shift as a modifier for audio preview, or whatever modifier is still available. In this way I can just hold shift and left click and easily drage it through my samples to preview the sounds