======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '153'
                                          'artist'  'Chico & Buddy'
                                     'text_people'  ''
                                         'release'  'The Later Lounge 2'
                                           'title'  'Soul Funk'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funk', '7soul', 'soul', 'drjazzmrfunkmusic', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '21'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '110.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '[Later00/8] CD (free with Later magazine)'
'COMM:iTunNORM:eng'                                 (' 000008F8 00000538 000064D6 000081DB 0000B087 0000A5EB 0000825C 00006A03 '
 '00005CC1 0000E3A7')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000894 00000000006779DC 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '21+B601A985D72538AD3125424F946C8DEB+5360326'
'TALB' (Album/Movie/Show title)                     'The Later Lounge 2'
'TBPM' (BPM (beats per minute))                     '110.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '2000'
'TENC' (Encoded by)                                 'iTunes v6.0.4'
'TIT2' (Title/songname/content description)         'Soul Funk'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chico & Buddy'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '20/21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', '7soul', 'soul', 'drjazzmrfunkmusic', '70s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-4.37 dB'
'TXXX:replaygain_track_peak'                        '1.050325'

========================== row from database ==========================
                                              'id'  1526190
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/Chico & Buddy - Soul Funk.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  153
                                           'genre'  funk or soul
                                        'filesize'  3694287
                                           'mtime'  1622756535
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s funk or soul
                                      'tag_artist'  Chico & Buddy
                                     'tag_release'  The Later Lounge 2
                                       'tag_title'  Soul Funk
                                             'bpm'  110.3
                                    'search_title'  'funk':2 'soul':1
                                   'search_artist'  'buddy':2 'chico':1
                                  'search_release'  '2':4 'later':2 'lounge':3 'the':1
                                     'search_rest'  '70':6 'easy':4 'funk':2 'instr':5 'or':8 's':7 'soul':3 'swing':1
                                    'search_combo'  '2':8C '70':14 'buddy':4B 'chico':3B 'easy':12 'funk':2A,10 'instr':13 'later':6C 'lounge':7C 'or':16 's':15 'soul':1A,11 'swing':9 'the':5C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', '7soul', 'soul', 'drjazzmrfunkmusic', '70s']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622756534.5835016  (2021-06-03 23:42:14)
                             'size'  3694287