======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '320'
                                          'artist'  'Rage Against the Machine'
                                     'text_people'  ''
                                         'release'  'Evil Empire'
                                           'title'  'Down Rodeo'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'metal', 'alternative', 'political', 'rock']"
                                     'discogstags'  "['funk metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-gr-hard'
                                             'bpm'  '113.263'
                                             'key'  '10A'
                                        'acoustid'  'e4acccde-fae4-4034-8af8-19cb165c7d7a'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Mrhorse2000'
'TALB' (Album/Movie/Show title)                     'Evil Empire'
'TBPM' (BPM (beats per minute))                     '113.263'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-hard'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-04-15'
'TIT2' (Title/songname/content description)         'Down Rodeo'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Rage Against the Machine'
'TPE2' (Band/orchestra/accompaniment)               'Rage Against the Machine'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Rage Against the Machine'
'TSOP' (Performer sort order)                       'Rage Against the Machine'
'TSRC' (ISRC (international standard recording code))  'USSM19502592'
'TXXX:ASIN'                                         'B00015TTE2'
'TXXX:Acoustid Id'                                  'e4acccde-fae4-4034-8af8-19cb165c7d7a'
'TXXX:BARCODE'                                      '9399700000955'
'TXXX:CATALOGNUMBER'                                '481026 2'
'TXXX:MusicBrainz Album Artist Id'                  '3798b104-01cb-484c-a3b0-56adc6399b80'
'TXXX:MusicBrainz Album Id'                         '1f9893e1-62b9-3e01-bd6d-e44889a4b8d1'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3798b104-01cb-484c-a3b0-56adc6399b80'
'TXXX:Q-HAP'                                        '2'
'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'                                  ['funk metal', 'rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'metal', 'alternative', 'political', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.570825'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1f996db0-0a94-49af-b4e5-eb6cdab7378c')

========================== row from database ==========================
                                              'id'  1342075
                                            'path'  /data/Music/Bulk/00dwimp/Rage Against the Machine/Evil Empire/Rage Against the Machine - Down Rodeo - 07.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  320
                                           'genre'  rock-gr-hard
                                        'filesize'  5134198
                                           'mtime'  1636902823
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 07 rock gr hard
                                      'tag_artist'  Rage Against the Machine
                                     'tag_release'  Evil Empire
                                       'tag_title'  Down Rodeo
                                             'bpm'  113.263
                                    'search_title'  'down':1 'rodeo':2
                                   'search_artist'  'against':2 'machine':4 'rage':1 'the':3
                                  'search_release'  'empire':2 'evil':1
                                     'search_rest'  '00dwimp':1 'gr':3 'hard':4 'rock':2
                                    'search_combo'  '00dwimp':9 'against':4B 'down':1A 'empire':8C 'evil':7C 'gr':11 'hard':12 'machine':6B 'rage':3B 'rock':10 'rodeo':2A 'the':5B
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'metal', 'alternative', 'political', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  ['funk metal', 'rock']

============================== file details ==============================
                                           'mtime'  1636902823.3844724  (2021-11-14 16:13:43)
                             'size'  5134198