======================== unified (from filesystem) ========================
                                         'bitrate'  '103.621'
                                        'duration'  '202'
                                          'artist'  'Городская фантазия'
                                     'text_people'  ''
                                         'release'  'Dimitri - Ful, Soul & Jazz'
                                           'title'  "Давид Голощёкин's funk"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-JZFKS-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '129.0'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Ful, Soul & Jazz'
'TBPM' (BPM (beats per minute))                     '129.0'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         "Давид Голощёкин's funk"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Городская фантазия'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.55 dB'
'TXXX:replaygain_track_peak'                        '0.521510'
'TXXX:youtube'                                      '51BEFZS3N9o'

========================== row from database ==========================
                                              'id'  1509822
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FunkSoulJazz/Городская фантазия - Давид Голощёкин_s funk (1978)-51BEFZS3N9o.mp3
                                         'working'  None
                                         'bitrate'  103
                                    'duration_sec'  202
                                           'genre'  funk or soul
                                        'filesize'  2630699
                                           'mtime'  1628357630
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FunkSoulJazz Голощёкин_s (1978) 51BEFZS3N9o or soul
                                      'tag_artist'  Городская фантазия
                                     'tag_release'  Dimitri - Ful, Soul & Jazz
                                       'tag_title'  Давид Голощёкин's funk
                                             'bpm'  129.0
                                    'search_title'  'david':2 'funk':9 'golo':10 'goloshekin':6 'goloshekins':8 's':4,7,12 'shekin':11 'shekins':13 'голощекин':3 'голощекинs':5 'давид':1
                                   'search_artist'  'fantaziya':4 'gorodskaya':2 'городская':1 'фантазия':3
                                  'search_release'  'dimitri':1 'ful':2,3 'jazz':5 'soul':4
                                     'search_rest'  '1978':6,7 '51befzs3n9o':8 'funk':11 'funksouljazz':1 'golo':13 'goloshekin':4 'jazz':12 'or':9 's':3,5,15 'shekin':14 'soul':10 'голощекин':2
                                    'search_combo'  '1978':28,29 '51befzs3n9o':30 'david':2A 'dimitri':18C 'fantaziya':17B 'ful':19C,20C 'funk':9A,33 'funksouljazz':23 'golo':10A,35 'goloshekin':6A,26 'goloshekins':8A 'gorodskaya':15B 'jazz':22C,34 'or':31 's':4A,7A,12A,25,27,37 'shekin':11A,36 'shekins':13A 'soul':21C,32 'голощекин':3A,24 'голощекинs':5A 'городская':14B 'давид':1A 'фантазия':16B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357629.8505883  (2021-08-07 19:33:49)
                             'size'  2630699