======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '247'
                                          'artist'  'Indigo Swing'
                                     'text_people'  ''
                                         'release'  'Red Light!'
                                           'title'  'Red Light!'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-2', 'q-syn-1', 'Q-PLAY-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-2', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', 'neo swing', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '14'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '135'
                                             'key'  '9B'
                                        'acoustid'  '6445dd73-f8f5-48bc-9ea9-bf00f3f52f5d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Red Light!'
'TBPM' (BPM (beats per minute))                     '135'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-06-01'
'TIT2' (Title/songname/content description)         'Red Light!'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Indigo Swing'
'TPE2' (Band/orchestra/accompaniment)               'Indigo Swing'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Time Bomb Recordings'
'TRCK' (Track number/Position in set)               '1/14'
'TSO2'                                              'Indigo Swing'
'TSOP' (Performer sort order)                       'Indigo Swing'
'TXXX:ASIN'                                         'B00000J7AI'
'TXXX:Acoustid Id'                                  '6445dd73-f8f5-48bc-9ea9-bf00f3f52f5d'
'TXXX:Artists'                                      'Indigo Swing'
'TXXX:BARCODE'                                      '709304352821'
'TXXX:CATALOGNUMBER'                                '70930-43528-2'
'TXXX:MusicBrainz Album Artist Id'                  '31237d1e-9b74-4dfe-ad97-17161ca9d90d'
'TXXX:MusicBrainz Album Id'                         'ea7ce26b-92a4-4f3a-a44c-a0526edb3df0'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '31237d1e-9b74-4dfe-ad97-17161ca9d90d'
'TXXX:MusicBrainz Release Group Id'                 'a7d8701c-de13-3c8e-a41a-05550aa0418d'
'TXXX:MusicBrainz Release Track Id'                 'd191fd9f-f531-3cf8-ab9f-4c57154917b8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['big band', 'jazz', 'neo swing', 'swing']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.479294'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'866f7a40-6c0f-4acf-9fcc-400a95b3e10e')

========================== row from database ==========================
                                              'id'  673996
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Indigo Swing/Red Light!/MBZ;#Indigo Swing;#Red Light!;#01;#Red Light!.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  247
                                           'genre'  prerock-swing
                                        'filesize'  4026264
                                           'mtime'  1620562711
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country MBZ;#Indigo Swing;#Red Light!;#01;#Red prerock swing
                                      'tag_artist'  Indigo Swing
                                     'tag_release'  Red Light!
                                       'tag_title'  Red Light!
                                             'bpm'  135.0
                                    'search_title'  'light':2 'red':1
                                   'search_artist'  'indigo':1 'swing':2
                                  'search_release'  'light':2 'red':1
                                     'search_rest'  '01':14,17 'country':4 'exotica':2 'indigo':6,8 'jazz':1 'light':13,16 'mbz':5,7 'oldies':3 'prerock':19 'red':10,12,15,18 'swing':9,11,20
                                    'search_combo'  '01':20,23 'country':10 'exotica':8 'indigo':3B,12,14 'jazz':7 'light':2A,6C,19,22 'mbz':11,13 'oldies':9 'prerock':25 'red':1A,5C,16,18,21,24 'swing':4B,15,17,26
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', 'neo swing', 'swing']
                                        'tag_date'  1999
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620562710.6570828  (2021-05-09 14:18:30)
                             'size'  4026264