Looking around some, and I think it's japanese tree lilac / Syringa reticulata. One volunteered in my yard. Unfortunately, too close to the service berry, which I like better. Off to find the hacksaw.

NO! Do not do a rejuvenation to any Viburnum!! Michael Dirr, who wrote the book on them and who has developed many of them, recommends infrequent and light pruning of Viburnums, if any at all. This is my favorite shrub. I have at least two dozen and about 8 different cultivars. I believe the one you have is a Burkwood, but it could also be Judd. Either way, it's gorgeous, pretty much pest- and maintence free, and you should definitely NOT coppice it. You do that to a Rose of Sharon or a lilac, but never to a Viburnum. Here is a link that might be useful: Michael Dirr's Viburnum for American Gardens

I think floral_uk is on the right track - Euonymous alatus, Syringa (but I believe vulgaris - the reticulatas I've dealt with have a slightly different leaf) and probably the small tree is Cornus alternifolia, a dogwood. Do beware of pruning the dogwood now. Late fall and winter are infinitely better when it's dormant. The sap it will bleed now is a great attractant for insects and disease. Otherwise, the Euonymus and the Syringa would be fine to prune now. Ging

Top looks like a purple leaved Prunus. Second is a Dogwood.