======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '123'
                                          'artist'  'Fraykers Revenge'
                                     'text_people'  ''
                                         'release'  'Fraykers Revenge Library - Street Shots - American Production Music 1970-1979'
                                           'title'  'Bar Background Scenes - Absoulutly'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['soundtrack', 'funk']"
                                     'discogstags'  "['disco', 'soundtrack', 'theme', 'stage & screen', 'funk / soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '129.398'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x0f\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x0f\x00\x00')
'PRIV:PeakValue:!W\x00\x00'                         PRIV(owner='PeakValue', data=b'!W\x00\x00')
'TALB' (Album/Movie/Show title)                     'Fraykers Revenge Library - Street Shots - American Production Music 1970-1979'
'TBPM' (BPM (beats per minute))                     '129.398'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Bar Background Scenes - Absoulutly'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown Artist'
'TPE2' (Band/orchestra/accompaniment)               'Fraykers Revenge'
'TRCK' (Track number/Position in set)               '18'
'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'                                  ['disco', 'soundtrack', 'theme', 'stage & screen', 'funk / soul', 'funk']
'TXXX:lastfmtags'                                   ['soundtrack', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.480599'

========================== row from database ==========================
                                              'id'  1118341
                                            'path'  /data/Music/Bulk/0soundtrack/Fraykers Revenge Music Library - Street Shots - American Production Music 1970-1979/18 - Bar Background Scenes - Absoulutly.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  123
                                           'genre'  soundtrack-library
                                        'filesize'  3943779
                                           'mtime'  1636923345
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack 18 soundtrack library
                                      'tag_artist'  Fraykers Revenge
                                     'tag_release'  Fraykers Revenge Library - Street Shots - American Production Music 1970-1979
                                       'tag_title'  Bar Background Scenes - Absoulutly
                                             'bpm'  129.398
                                    'search_title'  'absoulutly':4 'background':2 'bar':1 'scenes':3
                                   'search_artist'  'fraykers':1 'revenge':2
                                  'search_release'  '1970':9 '19701979':11 '1979':10 'american':6 'fraykers':1 'library':3 'music':8 'production':7 'revenge':2 'shots':5 'street':4
                                     'search_rest'  '0soundtrack':1 '18':2 'library':4 'soundtrack':3
                                    'search_combo'  '0soundtrack':18 '18':19 '1970':15C '19701979':17C '1979':16C 'absoulutly':4A 'american':12C 'background':2A 'bar':1A 'fraykers':5B,7C 'library':9C,21 'music':14C 'production':13C 'revenge':6B,8C 'scenes':3A 'shots':11C 'soundtrack':20 'street':10C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'funk']
                                        'tag_date'  1975
                                     'discogstags'  ['disco', 'soundtrack', 'theme', 'stage & screen', 'funk / soul', 'funk']

============================== file details ==============================
                                           'mtime'  1636923345.0108328  (2021-11-14 21:55:45)
                             'size'  3943779