| an often unexpected assortment of various things, people, or ideas: The concert was a mixed bag of works from three centuries. |

| mixed bag n. A collection of dissimilar things; an assortment. |
mixed bag
A heterogeneous collection of people, items, activities, or the like; an assortment. For example, The school offers a mixed bag of after-school activities
team sports, band practice, a language class. This idiom calls up the image of a sack full of different items. [First half of 1900s]