Cryptic Music Quiz revisited

its come to my attention that some people don't do cryptic crosswords so they don't understand the concept of how to solve the clues. I do apologise for not explaining them or giving you some hints on what to look for.

I'll explain a little bit and then give you the answers for the unsolved ones.

turns out there is a tutorial which sums things up well
click here to view

Bolded key words to explain the type of clue
Italics for synonym words
Green for hidden words/anagrams

answers to unsolved clues are:
3. Robert can be found inside some vans (3,5) - Bob Evans
** Synonym and hidden word

19. An imitator? maybe a mixed up freak (faker) (5) - Faker
** Synonym and Anagram

26. Had too much of being within the minx situation? (4) - INXS
** Synonym and hidden word

28. Shuffled game in (enigma), from a return to innocence (6) - Enigma
** Anagram and Artist song title

31. Finding out the number in a murder (8,5) - Counting Crows
** Synonym and animal grouping

37. Look inside ; The Go-Go's sip coffee during idle chatter (6)
** Hidden word and Synonym

and some other styles i used were
6. Oz dog is famous in the dark continent - Phil - Toto
** Tricky reference to Wizard of Oz not Aus, synonym for their most famous song (Africa)
11. Simply 36 ebonies (3,5,4) - Anne - The Black Keys
** Piano keys are known as Ivories, there are 36 Black keys on a piano
14. Greek wrap at the end of the telescope (9) - Phil - Gyroscope
** Synonym and clue tells you to use the end of the word
15. Little Fiona finds things difficult (4,2) - Anne - Hard-Fi
** Little clues to shorten the next word, synonym
20. Hardware is found in mirrored loot - Phil - Tool
** synonym & tells you to turn a word around
23. No moss on short Michaels outfit (3,7,6) - Anne - The Rolling Stones
** famous saying, tells you to shorten next word (mick), mick's outfit (group) is a synonym
25. Idol Aussie Ned has teamed up with Griswald's boy (5,8) - Anne - Kelly Clarkson
** Idol gives you a field to work from, aussie ned = Kelly, Griswalds boy = Clark's son
32. Motorcycle is initial transport for mallet (2,6) - Phil - MC Hammer
** initial tells to look for initials, synonym
39. Evil is back, it continues its existence - Anne - Live
** clue to turn a word around, synonym
40. Puzzled harpists built this city - Phil - Starship
** anagram hint, artist song title

hope this helps for next time!