The idea behind the Graco Sweetpeace is that after feeling constant movement and hearing low frequency sound in the womb, you baby will respond well to “slow, rhythmic and linear movement” after birth. It features a selection of low frequency rhythmic sounds and you can even plug your M3 player in, if you want to choose the tunes. Graco suggests on its Sweetpeace website that you plug in and play the music you listened to when pregnant. The swing has three recline positions, six speeds and two vibration speeds. There’s also the Swaddle Blanket, a 5-point harness to keep your baby safe, and a canopy for you to help block out too much light or visual stimulation. Graco mentions that the canopy, when pulled right down, can recreate the glow your baby would’ve see in the final weeks before birth. As well as being a swing, you can remove the seat and use it as a rocker on the floor. You can even attach certain Graco infant car seats to the frame.