======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '191'
                                          'artist'  'Pennywise'
                                     'text_people'  ''
                                         'release'  'Unknown Road'
                                           'title'  'Tester'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-4', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['political', 'punk rock', 'punk', 'hardcore', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '14'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '111.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unknown Road'
'TBPM' (BPM (beats per minute))                     '111.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Tester'
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pennywise'
'TPE2' (Band/orchestra/accompaniment)               'Pennywise'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epitaph'
'TRCK' (Track number/Position in set)               '10/14'
'TSO2'                                              'Pennywise'
'TSOP' (Performer sort order)                       'Pennywise'
'TXXX:ASIN'                                         'B0007L7MXK'
'TXXX:BARCODE'                                      '8714092673722'
'TXXX:CATALOGNUMBER'                                '6737-2'
'TXXX:MusicBrainz Album Artist Id'                  '5c210861-2ce2-4be3-9307-bbcfc361cc01'
'TXXX:MusicBrainz Album Id'                         'c41acf80-6863-46a0-8b33-0943b676081d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c210861-2ce2-4be3-9307-bbcfc361cc01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['political', 'punk rock', 'punk', 'hardcore', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.19 dB'
'TXXX:replaygain_track_peak'                        '0.535618'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5a2b632d-4f32-4913-813b-aff1d69aa672')

========================== row from database ==========================
                                              'id'  1420487
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Pennywise/Unknown Road/Pennywise - Tester - 10.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  191
                                           'genre'  rock-gr-punk
                                        'filesize'  3824862
                                           'mtime'  1622659124
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 10 rock gr punk
                                      'tag_artist'  Pennywise
                                     'tag_release'  Unknown Road
                                       'tag_title'  Tester
                                             'bpm'  111.2
                                    'search_title'  'tester':1
                                   'search_artist'  'pennywise':1
                                  'search_release'  'road':2 'unknown':1
                                     'search_rest'  'garage':2 'gr':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  'garage':6 'gr':10 'pennywise':2B 'punk':5 'road':4C 'rock':9 'stoner':8 'surf':7 'tester':1A 'unknown':3C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['political', 'punk rock', 'punk', 'hardcore', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659124.1640513  (2021-06-02 20:38:44)
                             'size'  3824862