======================== unified (from filesystem) ========================
                                         'bitrate'  '166.697'
                                        'duration'  '278'
                                          'artist'  'King Crimson'
                                     'text_people'  ''
                                         'release'  'In the Wake of Poseidon'
                                           'title'  'Cadence and Cascade'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise;rock-cppex-progressive'
                                             'bpm'  '141.909'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'In the Wake of Poseidon'
'TBPM' (BPM (beats per minute))                     '141.909'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-experimental or noise', 'rock-cppex-progressive']
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Cadence and Cascade'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'King Crimson'
'TRCK' (Track number/Position in set)               '3'
'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:lastfmtags'                                   ['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.884090'

========================== row from database ==========================
                                              'id'  1285038
                                            'path'  /data/Music/Bulk/00poprockelectronic/King Crimson/In The Wake Of Poseidon__MBZ;#King Crimson;#In the Wake of Poseidon;#03;#Cadence and Cascade.mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  278
                                           'genre'  rock-cppex-experimental or noise;rock-cppex-progressive
                                        'filesize'  5795284
                                           'mtime'  1636918100
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The Of Poseidon__MBZ;#King Crimson;#In Poseidon;#03;#Cadence rock cppex experimental or noise;rock cppex progressive
                                      'tag_artist'  King Crimson
                                     'tag_release'  In the Wake of Poseidon
                                       'tag_title'  Cadence and Cascade
                                             'bpm'  141.909
                                    'search_title'  'and':2 'cadence':1 'cascade':3
                                   'search_artist'  'crimson':2 'king':1
                                  'search_release'  'in':1 'of':4 'poseidon':5 'the':2 'wake':3
                                     'search_rest'  '00poprockelectronic':1 '03':15,18 'cadence':16,19 'cppex':21 'crimson':10,12 'experimental':22 'in':11,13 'king':6,9 'mbz':5,8 'noise':24,26 'of':3 'or':23 'poseidon':4,7,14,17 'progressive':28 'rock':20,25,27 'the':2
                                    'search_combo'  '00poprockelectronic':11 '03':25,28 'and':2A 'cadence':1A,26,29 'cascade':3A 'cppex':31 'crimson':5B,20,22 'experimental':32 'in':6C,21,23 'king':4B,16,19 'mbz':15,18 'noise':34,36 'of':9C,13 'or':33 'poseidon':10C,14,17,24,27 'progressive':38 'rock':30,35,37 'the':7C,12 'wake':8C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  12B
                                           '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'progressive rock', 'progressive', 'experimental', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636918099.5571806  (2021-11-14 20:28:19)
                             'size'  5795284