======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '167'
                                          'artist'  "Magic Mushrooms - It's-A"
                                     'text_people'  ''
                                         'release'  'original artyfacts from the first psychelic era, vol. 1'
                                           'title'  'Happening'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  '27'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '144.541'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'COMM:CDDB Disc ID:XXX'                             '9811F51B'
'COMM:ID3v1 Comment:XXX'                            '9811F51B'
'TALB' (Album/Movie/Show title)                     'original artyfacts from the first psychelic era, vol. 1'
'TBPM' (BPM (beats per minute))                     '144.541'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Happening'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Magic Mushrooms - It's-A"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '27/27'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, 128 Kbit/s, Joint Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.328482'

========================== row from database ==========================
                                              'id'  1511429
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Sonics - Nuggets (sixties)/Nuggets (disc 1)/27 - Magic Mushrooms - It_s-A - 27 - Happening.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  167
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  2686214
                                           'mtime'  1620736981
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Sonics Nuggets (sixties) Nuggets (disc 1) 27 It_s 27 rock cppex psychedelic
                                      'tag_artist'  Magic Mushrooms - It's-A
                                     'tag_release'  original artyfacts from the first psychelic era, vol. 1
                                       'tag_title'  Happening
                                             'bpm'  144.541
                                    'search_title'  'happening':1
                                   'search_artist'  'a':5 'it':3 'itsa':6 'magic':1 'mushrooms':2 's':4
                                  'search_release'  '1':11 'artyfacts':2 'era':7,8 'first':5 'from':3 'original':1 'psychelic':6 'the':4 'vol':9,10
                                     'search_rest'  '1':8,9 '27':10 'classicprogpsy':1 'cppex':14 'disc':6,7 'it':11 'nuggets':3 'psychedelic':15 'rock':13 's':12 'sixties':4,5 'sonics':2
                                    'search_combo'  '1':18C,26,27 '27':28 'a':6B 'artyfacts':9C 'classicprogpsy':19 'cppex':32 'disc':24,25 'era':14C,15C 'first':12C 'from':10C 'happening':1A 'it':4B,29 'itsa':7B 'magic':2B 'mushrooms':3B 'nuggets':21 'original':8C 'psychedelic':33 'psychelic':13C 'rock':31 's':5B,30 'sixties':22,23 'sonics':20 'the':11C 'vol':16C,17C
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736980.863074  (2021-05-11 14:43:00)
                             'size'  2686214