Names for the brother of Oscar, Hugo, Grace, Gabriel and Anouk?

An unexpected addition to our family, some 17 years after the birth of his eldest brother has left me excitedly flicking through my library and scrawling the family tree. But there are so many names to rattle off the tongue to see if they work as a sibset, it gets a tad tiring! I’m pretty adventurous with names - but none of this made-up palaver for me, thanks. I like my names to have a sense of history to them. For this little treasure, I’d like a name that has strength but also is soft to say. Middle name will be a family name, possibly [name]Felix[/name] or [name]Lucien[/name] (either of these could become a first if he suits). [name]Both[/name] my partner and I are musicians and I’m also a poet, so literary or oblique (no [name]Elvis[/name] or [name]Tempo[/name]) musical references are also nice. Ideas? Current faves are: [name]Bruno[/name], Miro, [name]Lucien[/name], [name]Felix[/name], [name]Lorenzo[/name] ([name]Enzo[/name]), [name]Tarquin[/name], [name]Rupert[/name] (but might be a bit snooty), [name]Orlando[/name], [name]Leopold[/name], [name]Abel[/name], [name]Casimir[/name], [name]Octavio[/name] (he will be number 8 in our family but what sort of nn?), and heaven forbid I actually like [name]Balthazar[/name] although the teenagers will probably disown him!

[name]August[/name]/us, [name]Dylan[/name], [name]Hendrix[/name] (or [name]Henry[/name] nn), [name]Ray[/name], [name]Coltrane[/name], [name]Amasa[/name], [name]Asa[/name], [name]Jude[/name], [name]Alfred[/name], [name]Holden[/name], [name]Isaac[/name], love [name]Lorenzo[/name]/[name]Enzo[/name], [name]Pierce[/name], [name]Abel[/name], [name]Abraham[/name], [name]Roscoe[/name].

[name]Reiner[/name] (long i), [name]Jasper[/name], [name]Julius[/name], [name]Konrad[/name], [name]Peter[/name], [name]Benjamin[/name], [name]Christian[/name].

to try and may [name]Anouk[/name] make sense i searched unusual Dutch names, since French can be more common, and found:
[name]Kort[/name] - [name]Kurt[/name]
[name]Dietrich[/name] - used the [name]German[/name] since its closer to the spelling i already knew
[name]Krelis[/name]
[name]Jannik[/name] - [name]John[/name]