Across
Writer and US president enraged university here (4,5,4)
Swing band with a cellist, unusually (9)
I haven't cracked this one yet — but Fifteensquared have:
O [ ring, as in wedding band? ] + [A CELLIST]*
Bones found in river two years after the Massacre of the Innocents? (5)
As seen in Kenya, large antelope (5)
Between New Year in one country and summer in another, have food and a private meeting (4-1-4)
Woman in 20s who's not staying cool? (7)
Each year I would take off and let go (4,3)
I haven't cracked this one yet — but Fifteensquared have:
P[er] A[nnum] I’D OFF: ‘let go’: the modern euphemism for ‘fire’.
Abandoned respect for royal staff (7)
Completely mistaken, also exhausted (3,3,3)
Animal first over threshold of ark (5)
I haven't cracked this one yet — but Fifteensquared have:
BE[A]ST
Among minor masterpieces, Bellini's work (5)
Hesitant expression about member playing one instrument (9)
I haven't cracked this one yet — but Fifteensquared have:
H’M around ARM [member] ON [playing] I
Me and thee somehow composed old song (4,5,4)
Down
Not for the first time ocean damaged net (4,5)
Low mark for big mouth (5)
Advertisement more suitable for trans-formational device (7)
Dance performed by Armstrong? (3-4)
I haven't cracked this one yet — but Fifteensquared have:
cd: Neil Armstrong’s famous ‘one [small] step for mankind’
Give legal status to supporting African country's energy (9)
I haven't cracked this one yet — but Fifteensquared have:
FOR [supporting] MALI’S E
Part of mountain is cold place - zero Fahrenheit on top (5)
I haven't cracked this one yet — but Fifteensquared have:
[f] RIDGE: quite cool, I thought!
Head in direction of compass reading? Exactly! (5,3,5)
What a recidivist does, repeatedly (4,5,4)
I haven't cracked this one yet — but Fifteensquared have:
and another
Verlaine's rhymes for ugly woman (5,4)
I haven't cracked this one yet — but Fifteensquared have:
rhymes with Verlaine [1873-1939], French poet. [I’ve never thought of a Plain Jane as necessarily ugly.]
Head off most prejudice and social exclusion (9)
King currently welcoming medical group showing expertise (4-3)
I haven't cracked this one yet — but Fifteensquared have:
WHO [World Health Organisation] inside K NOW
Release group without charge (3,4)
Doctor's orders, having this part of the body covered (5)
Assassin of commander-in-chief and army general (5)
Type letters or click words in the clue