Across
Musical group disheartened about having cathartic effect (9)
I haven't cracked this one yet — but Fifteensquared have:
Reversal of ( … about ) [ EVITA(the musical by Andrew Lloyd Webber and Tim Rice) + “ group ” minus its middle letter ( disheartened ) ].
When to fence in trembling tree? (5)
Become ready to eat pie prepared in service (5)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of ( … prepared ) PIE contained in ( in ) RN(abbrev. for the Royal Navy, a service in the British military).
Unstable minerals with oxygen return to standard state (9)
Care for little flower's endless shoot (7)
I haven't cracked this one yet — but Fifteensquared have:
TEND(to care for/to look after) + “rill”(a little flower/a small stream that, obviously, flows) minus its last letter ( …’s endless ).
Spectral maiden on horse in Xmas show (7)
I haven't cracked this one yet — but Fifteensquared have:
M(abbrev. for “maiden”, in cricket scores) placed after ( on ) [ H(abbrev. for for “heroin” or “horse” in drug slang) contained in ( in ) PANTO(short for “pantomime”, a show traditionally performed at Xmas) ].
Picture defeat by France (5)
Allow some crocodile tears (3)
Strange passion returning in midweek? (5)
I haven't cracked this one yet — but Fifteensquared have:
Reversal of ( … returning ) IRE(a passion/a strong emotion, in this case, of anger) contained in ( in ) middle 2 letters of ( mid ) “ week “.
Animal doctor near frisky warhorse (7)
I haven't cracked this one yet — but Fifteensquared have:
VET(short for “veterinarian”, a doctor treating animals) + anagram of ( … frisky ) NEAR .
Economical water supplier to contact on phone (7)
What held up Greek fleet en route to Troy? (9)
I haven't cracked this one yet — but Fifteensquared have:
Cryptic defn: What the Greek fleet of warships floated on/was held up by, on the way to attack Troy.
Daughter taking bucket down to sink (5)
Communicate with influence (5)
Intensity in United game almost exploded (9)
I haven't cracked this one yet — but Fifteensquared have:
Anagram of ( … exploded ) [ UNITED + “ game ” minus its last letter ( almost ) ].
Down
Impressionist perhaps with it given drink before dinner (8)
Old head saw parent off (6)
Lowly man ruined ending in gutter (10)
I haven't cracked this one yet — but Fifteensquared have:
PAWN(a lowly man/one with low status and used by others) + BROKE(ruined/bankrupt) + last letter of ( ending in ) “ gutter “.
Extraordinary gesture (6)
Salesperson in ground cited as feeble (8)
Convict recalled having a field day? (4)
Second line in menacing playwright's sharp piece (8)
I haven't cracked this one yet — but Fifteensquared have:
S(abbrev. for “second” in time notation) + [ L(abbrev. for “line”) contained in ( in ) PINTER(Harold, playwright, some of whose works are described as “comedy of menace”) ].
Italian monk in Le Mans making move (6)
Lady Ogilvy perhaps drinking one's port (10)
I haven't cracked this one yet — but Fifteensquared have:
ALEXANDRA(possibly/perhaps, the Princess titled The Honourable Lady Ogilvy, a member of the British royal family) containing ( drinking ) I(Roman numeral for “one”).
Elected given ample time for U-turn as necessary? (8)
I haven't cracked this one yet — but Fifteensquared have:
IN(elected/voted in) plus ( given ) reversal of ( … for U-turn ) [ LARGE(ample/substantial) + T(abbrev. for “time”) ].
One's honour in life less if solitary (8)
I haven't cracked this one yet — but Fifteensquared have:
[ ONE’S + OM(abbrev. for the “Order of Merit”, a conferred award/honour) ] contained in ( in ) “ life ” minus ( less ) “ if “.
Odd couple from Eire seen with motor mechanic (8)
I haven't cracked this one yet — but Fifteensquared have:
1st and 3rd letters of ( Odd couple from ) “ Eire ” placed below ( seen with ) ENGINE(a motor/a machine converting one form of energy into motion).
Sex and the City — (6)
I haven't cracked this one yet — but Fifteensquared have:
VI(Roman numeral for “six”, represented by the English prefix “sex-“, as in “sexcentenary”) plus ( and ) AGRA(the city in N. India – where many go to see one of man’s – or one man’s – greatest erection for a favourite wife).
Like cormorant? Not well groomed (6)
I haven't cracked this one yet — but Fifteensquared have:
SHAG(a cormorant, any of a family of species of aquatic birds) –GY(suffix denoting “like”/having the same characteristics).
Ancient high-flier involved in crash (6)
I haven't cracked this one yet — but Fifteensquared have:
Cryptic defn: In Greek mythology, the one who flew too close to the sun, which melted the wax holding his artificial wings, causing him to crash into the sea.
Long article by Ernesto Guevara? (4)
Type letters or click words in the clue