======================== unified (from filesystem) ========================
                                         'bitrate'  '252.678'
                                        'duration'  '39'
                                          'artist'  'The Blood Brothers'
                                     'text_people'  ''
                                         'release'  '...Burn, Piano Island, Burn'
                                           'title'  'Guitarmy'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'post hardcore', 'hardcore', 'experimental', 'screamo']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '149'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 0000267D 0000258B 000050F5'
'COMM:iTunNORM:eng'                                 (' 0000267D 0000258B 000050F5 00004854 00007A39 00003C61 00008000 00008000 '
 '00000DE9 00002D19')
'TALB' (Album/Movie/Show title)                     '...Burn, Piano Island, Burn'
'TBPM' (BPM (beats per minute))                     '149'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-03-18'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['wurlitzer electric piano', 'Johnny Whitney'], ['percussion', 'Lenny Castro'], ['acoustic guitar', 'Cody Votolato'], ['piano', 'Morgan Henderson'], ['background vocals', 'Morgan'], ['background vocals', 'Cody'], ['background vocals', 'Amy'], ['glockenspiel', 'Johnny Whitney'], ['keyboard', 'Morgan Henderson']])
'TIT2' (Title/songname/content description)         'Guitarmy'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Blood Brothers'
'TPE2' (Band/orchestra/accompaniment)               'The Blood Brothers'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'ARTISTdirect'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Blood Brothers, The'
'TSOP' (Performer sort order)                       'Blood Brothers, The'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'TXXX:ASIN'                                         'B000089RVV'
'TXXX:Artists'                                      'The Blood Brothers'
'TXXX:BARCODE'                                      '801190107025'
'TXXX:CATALOGNUMBER'                                '80119-01070-2'
'TXXX:MusicBrainz Album Artist Id'                  'b847568f-cd75-44c7-b87b-4f38a5a9f661'
'TXXX:MusicBrainz Album Id'                         '59ffd644-e9b2-43e5-966e-95857021b030'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b847568f-cd75-44c7-b87b-4f38a5a9f661'
'TXXX:MusicBrainz Release Group Id'                 'bbc83b56-11eb-3ceb-94b3-830e218699eb'
'TXXX:MusicBrainz Release Track Id'                 'cc6d53b7-ddb8-33ac-b407-f82ebac1cc58'
'TXXX:Q-HAP'                                        '1'
'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'                                   ['indie', 'post hardcore', 'hardcore', 'experimental', 'screamo']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.13 dB'
'TXXX:replaygain_track_peak'                        '0.325008'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fefc8aef-5615-4927-8027-90b7c65b6cb2')

========================== row from database ==========================
                                              'id'  278551
                                            'path'  /data/Music/Bulk/00dwimp/The Blood Brothers/[2003] ...Burn, Piano Island, Burn/01 Guitarmy.mp3
                                         'working'  None
                                         'bitrate'  253
                                    'duration_sec'  39
                                           'genre'  eid-metal
                                        'filesize'  1263172
                                           'mtime'  1620301647
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp [2003] 01 eid metal
                                      'tag_artist'  The Blood Brothers
                                     'tag_release'  ...Burn, Piano Island, Burn
                                       'tag_title'  Guitarmy
                                             'bpm'  149.0
                                    'search_title'  'guitarmy':1
                                   'search_artist'  'blood':2 'brothers':3 'the':1
                                  'search_release'  'burn':1,2 'island':4,5 'piano':3
                                     'search_rest'  '00dwimp':1 '2003':2,3 'eid':4 'metal':5
                                    'search_combo'  '00dwimp':10 '2003':11,12 'blood':3B 'brothers':4B 'burn':5C,6C 'eid':13 'guitarmy':1A 'island':8C,9C 'metal':14 'piano':7C 'the':2B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['indie', 'post hardcore', 'hardcore', 'experimental', 'screamo']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301646.6109335  (2021-05-06 13:47:26)
                             'size'  1263172