How to give debris particles sound on collision?

I have a an explosion particle that showers pieces of a model. Basically, the original model spawns the particle then deletes itself and the player sees pieces of the model fly off in the explosion. Cool enough but I’d like to add sound effects to these pieces as they hit stuff. The only way I can think of doing it defeats the purpose of using a particle system in the first place which is to create a blueprint of each piece and setup the collision sound trigger that way. But I’ve already spent hours getting this particle effect the way I like it. Very vaguely I remember being able to add sounds to drip effects in UDK. Is there way to implement sound on particle collisions inside UE4?