======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '235'
                                          'artist'  'Ram Jam'
                                     'text_people'  ''
                                         'release'  'Rock Monsters (disc 1)'
                                           'title'  'Black Betty'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['hard rock', 'southern rock', 'rock', '70s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '19'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '115.589'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Driving; Party; Summer; Love'
'COMM:Songs-DB_Custom1:eng'                         '1970s'
'COMM:Songs-DB_Custom2:eng'                         'Oldies; One Hit Wonders; Classic; Male Vocalists'
'COMM:Songs-DB_Custom3:eng'                         'American'
'COMM:Songs-DB_Occasion:eng'                        'Driving; Party; Summer; Love'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'Rock Monsters (disc 1)'
'TBPM' (BPM (beats per minute))                     '115.589'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Black Betty'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ram Jam'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Universal Music TV'
'TRCK' (Track number/Position in set)               '14/19'
'TSOP' (Performer sort order)                       'Ram Jam'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B00006BINI'
'TXXX:BARCODE'                                      '0731458341420'
'TXXX:CATALOGNUMBER'                                '583 4152'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '90a25b2b-5daa-460e-8f1a-e18afd4af77e'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'f2be3d59-c508-492b-a553-056fc8a7e7b0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['hard rock', 'southern rock', 'rock', '70s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.421449'

========================== row from database ==========================
                                              'id'  1358255
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Ram Jam__Black Betty.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  235
                                           'genre'  rock-cppex
                                        'filesize'  5664646
                                           'mtime'  1678553446
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Jam__Black rock cppex
                                      'tag_artist'  Ram Jam
                                     'tag_release'  Rock Monsters (disc 1)
                                       'tag_title'  Black Betty
                                             'bpm'  115.589
                                    'search_title'  'betty':2 'black':1
                                   'search_artist'  'jam':2 'ram':1
                                  'search_release'  '1':5,6 'disc':3,4 'monsters':2 'rock':1
                                     'search_rest'  '00poprockelectronic':1 'black':8 'cppex':10 'files':5,6 'jam':7 'loose':3,4 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '1':9C,10C 'betty':2A 'black':1A,18 'cppex':20 'disc':7C,8C 'files':15,16 'jam':4B,17 'loose':13,14 'monsters':6C 'ram':3B 'rock':5C,19 'unsorted':12
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['hard rock', 'southern rock', 'rock', '70s', 'classic rock']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678553446.2581246  (2023-03-11 17:50:46)
                             'size'  5664646