======================== unified (from filesystem) ========================
                                         'bitrate'  '107.241'
                                        'duration'  '152'
                                          'artist'  'Johnny Kongos'
                                     'text_people'  ''
                                         'release'  'Dimitri 60s 70s'
                                           'title'  'Empty Bird Cage'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '120.1'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri 60s 70s'
'TBPM' (BPM (beats per minute))                     '120.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Empty Bird Cage'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Kongos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'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'                                       '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.523818'
'TXXX:youtube'                                      '8LDW1x6G2C8'

========================== row from database ==========================
                                              'id'  1477413
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/60s70s/Johnny Kongos - Empty Bird Cage-8LDW1x6G2C8.mp3
                                         'working'  None
                                         'bitrate'  107
                                    'duration_sec'  152
                                           'genre'  rock-cppex
                                        'filesize'  2048837
                                           'mtime'  1642257578
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 60s70s 8LDW1x6G2C8 rock cppex
                                      'tag_artist'  Johnny Kongos
                                     'tag_release'  Dimitri 60s 70s
                                       'tag_title'  Empty Bird Cage
                                             'bpm'  120.1
                                    'search_title'  'bird':2 'cage':3 'empty':1
                                   'search_artist'  'johnny':1 'kongos':2
                                  'search_release'  '60s':2 '70s':3 'dimitri':1
                                     'search_rest'  '60s70s':1 '8ldw1x6g2c8':2 'cppex':4 'rock':3
                                    'search_combo'  '60s':7C '60s70s':9 '70s':8C '8ldw1x6g2c8':10 'bird':2A 'cage':3A 'cppex':12 'dimitri':6C 'empty':1A 'johnny':4B 'kongos':5B 'rock':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-1', 'Q-CHART-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'Q-MIXBEAT-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642257578.4053273  (2022-01-15 15:39:38)
                             'size'  2048837