======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '276'
                                          'artist'  'Ozric Tentacles'
                                     'text_people'  ''
                                         'release'  'Pungent Effulgent'
                                           'title'  "The Domes of G'Bal"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-4', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', "
 "'psychedelic']")
                                     'discogstags'  "['electronic', 'rock', 'space rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '100.306'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pungent Effulgent'
'TBPM' (BPM (beats per minute))                     '100.306'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "The Domes of G'Bal"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ozric Tentacles'
'TRCK' (Track number/Position in set)               '4'
'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:discogstags'                                  ['electronic', 'rock', 'space rock', 'ambient']
'TXXX:lastfmtags'                                   ['instrumental',
 'psychedelic rock',
 'space rock',
 'progressive rock',
 'psychedelic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.713172'

========================== row from database ==========================
                                              'id'  1522329
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0psy/Ozric tentacles/Ozric Tentacles - Pungent Effulgent - 04-10 - The Domes Of G_Bal.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  276
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  11066661
                                           'mtime'  1620735974
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0psy tentacles 04 10 Of G_Bal rock cppex psychedelic
                                      'tag_artist'  Ozric Tentacles
                                     'tag_release'  Pungent Effulgent
                                       'tag_title'  The Domes of G'Bal
                                             'bpm'  100.306
                                    'search_title'  'bal':5 'domes':2 'g':4 'gbal':6 'of':3 'the':1
                                   'search_artist'  'ozric':1 'tentacles':2
                                  'search_release'  'effulgent':2 'pungent':1
                                     'search_rest'  '0psy':1 'bal':5 'cppex':7 'g':4 'of':3 'psychedelic':8 'rock':6 'tentacles':2
                                    'search_combo'  '0psy':11 'bal':5A,15 'cppex':17 'domes':2A 'effulgent':10C 'g':4A,14 'gbal':6A 'of':3A,13 'ozric':7B 'psychedelic':18 'pungent':9C 'rock':16 'tentacles':8B,12 'the':1A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-4', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['instrumental', 'psychedelic rock', 'space rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'rock', 'space rock', 'ambient']

============================== file details ==============================
                                           'mtime'  1620735973.5287638  (2021-05-11 14:26:13)
                             'size'  11066661