LAMOST DR7 LRS metallicity distributions of the 6D sub-structures and the 5D selected samples. Since the 5D method removes some 6D stars (those outside of the pseudo velocity selection) and adds stars, we can check the metallicity distributions of the stars that have a LAMOST DR7 LRS [Fe/H] that have been added to check if we are adding noise or if the population resembles the original 6D defined population.