======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '90'
                                          'artist'  'Trans Am'
                                     'text_people'  ''
                                         'release'  'Red Line'
                                           'title'  'Bad Cat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'electronic', 'indie', 'post rock', 'experimental']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '21'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '144.645'
                                             'key'  '1A'
                                        'acoustid'  'feee1f64-29f0-44fd-8980-9e27a6990c39'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ', Ag# C1a2c852'
'TALB' (Album/Movie/Show title)                     'Red Line'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-09-05'
'TIT2' (Title/songname/content description)         'Bad Cat'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Trans Am'
'TPE2' (Band/orchestra/accompaniment)               'Trans Am'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Thrill Jockey'
'TRCK' (Track number/Position in set)               '17/21'
'TSO2'                                              'Trans Am'
'TSOP' (Performer sort order)                       'Trans Am'
'TXXX:ASIN'                                         'B00004WHA2'
'TXXX:Acoustid Id'                                  'feee1f64-29f0-44fd-8980-9e27a6990c39'
'TXXX:Artists'                                      'Trans Am'
'TXXX:CATALOGNUMBER'                                'thrill 087'
'TXXX:MusicBrainz Album Artist Id'                  '7c5acaaa-3f74-4e16-82b2-f8046fce4338'
'TXXX:MusicBrainz Album Id'                         '52dfcdbe-e298-4072-a526-d541d1258eef'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7c5acaaa-3f74-4e16-82b2-f8046fce4338'
'TXXX:MusicBrainz Release Group Id'                 'd6125178-4663-3353-b69f-9314f293a170'
'TXXX:MusicBrainz Release Track Id'                 'e1441cca-e22d-3d2a-8cf9-e9b238049500'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'indie', 'post rock', 'experimental']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.32 dB'
'TXXX:replaygain_track_peak'                        '0.391795'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4dcd8f5f-3e99-4243-a8e7-cc3600d2813a')

========================== row from database ==========================
                                              'id'  1338401
                                            'path'  /data/Music/Bulk/00poprockelectronic/Trans Am/Red Line/Trans Am - Bad Cat - 17.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  90
                                           'genre'  electronic-unsorted
                                        'filesize'  1478714
                                           'mtime'  1621489695
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 17 electronic unsorted
                                      'tag_artist'  Trans Am
                                     'tag_release'  Red Line
                                       'tag_title'  Bad Cat
                                             'bpm'  144.645
                                    'search_title'  'bad':1 'cat':2
                                   'search_artist'  'am':2 'trans':1
                                  'search_release'  'line':2 'red':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':7 'am':4B 'bad':1A 'cat':2A 'electronic':8 'line':6C 'red':5C 'trans':3B 'unsorted':9
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronic', 'indie', 'post rock', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621489694.8815877  (2021-05-20 07:48:14)
                             'size'  1478714