<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '322'
                                          'artist'  'Sonic Youth'
                                     'text_people'  ''
                                         'release'  'Bad Moon Rising'
                                           'title'  "Death Valley '69"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'post punk', 'experimental', 'rock']"
                                     'discogstags'  "['rock', 'avantgarde', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '141'
                                             'key'  '3A'
                                        'acoustid'  '47deabb7-2a85-492d-96bc-31263ff5cd50'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f1c40>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1503087"/>
'TALB' (Album/Movie/Show title)                     'Bad Moon Rising'
'TBPM' (BPM (beats per minute))                     '141'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDOR' (Original release time)                      '1985'
'TDRC' (Recording time)                             '1995-04-25'
'TIT2' (Title/songname/content description)         "Death Valley '69"
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonic Youth w. Lydia Lunch'
'TPE2' (Band/orchestra/accompaniment)               'Sonic Youth'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'DGC Records'
'TRCK' (Track number/Position in set)               '8/12'
'TSO2'                                              'Sonic Youth'
'TSOP' (Performer sort order)                       'Sonic Youth w. Lunch, Lydia'
'TXXX:ASIN'                                         'B000003TAF'
'TXXX:Acoustid Id'                                  '47deabb7-2a85-492d-96bc-31263ff5cd50'
'TXXX:Artists'                                      'Sonic Youth/Lydia Lunch'
'TXXX:BARCODE'                                      '720642451229'
'TXXX:CATALOGNUMBER'                                'DGCD-24512'
'TXXX:MusicBrainz Album Artist Id'                  '5cbef01b-cc35-4f52-af7b-d0df0c4f61b9'
'TXXX:MusicBrainz Album Id'                         'd5418d35-5e61-348c-a3f7-5d8fdcd1ea30'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5cbef01b-cc35-4f52-af7b-d0df0c4f61b9/74f2add6-e8b6-4323-a21b-443600379d16'
'TXXX:MusicBrainz Release Group Id'                 '74e5dba6-af28-346b-80b8-4559ef0c1d4f'
'TXXX:MusicBrainz Release Track Id'                 'd4fdca9f-9397-305a-a77f-38f93784e40d'
'TXXX:Q-HAP'                                        '2'
'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'                                  ['rock', 'avantgarde', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'post punk', 'experimental', 'rock']
'TXXX:originalyear'                                 '1985'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.04 dB'
'TXXX:replaygain_track_peak'                        '0.589045'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9114a6aa-4c95-4c80-b8db-e27e8ec92901')

========================== row from database ==========================
                                              'id'  1503087
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sonic Youth/Bad Moon Rising/Sonic Youth - Death Valley _69 - 08.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  322
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  6499573
                                           'mtime'  1636400822
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos _69 08 ifs songwriter experimental
                                      'tag_artist'  Sonic Youth
                                     'tag_release'  Bad Moon Rising
                                       'tag_title'  Death Valley '69
                                             'bpm'  141.0
                                    'search_title'  '69':3,4 'death':1 'valley':2
                                   'search_artist'  'sonic':1 'youth':2
                                  'search_release'  'bad':1 'moon':2 'rising':3
                                     'search_rest'  '00singer':1 '69':4 'eos':3 'experimental':6 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':10 '69':3A,4A,13 'bad':7C 'death':1A 'eos':12 'experimental':15 'ifs':14 'moon':8C 'rising':9C 'songwriter':11 'sonic':5B 'valley':2A 'youth':6B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'experimental', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'avantgarde', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400821.956939  (2021-11-08 20:47:01)
                             'size'  6499573