======================== unified (from filesystem) ========================
                                         'bitrate'  '273.307'
                                        'duration'  '600'
                                          'artist'  'Underworld'
                                     'text_people'  ''
                                         'release'  'Dirty Epic / Cowgirl'
                                           'title'  'Dirty Epic (Dirty Guitar mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'trance']"
                                     'discogstags'  "['electronic', 'techno', 'progressive trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '8'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno;electronic-th-trance'
                                             'bpm'  '120'
                                             'key'  '12B'
                                        'acoustid'  'f38630d0-5a55-4ca0-8ddb-241c8dee1e63'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Dirty Epic / Cowgirl'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno', 'electronic-th-trance']
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '1994-12-01'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'Darren Emerson'], ['producer', 'Karl Hyde'], ['producer', 'Rick Smith']])
'TIT2' (Title/songname/content description)         'Dirty Epic (Dirty Guitar mix)'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Underworld'
'TPE2' (Band/orchestra/accompaniment)               'Underworld'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Wax Trax! Records'
'TRCK' (Track number/Position in set)               '1/8'
'TSO2'                                              'Underworld'
'TSOP' (Performer sort order)                       'Underworld'
'TXXX:ASIN'                                         'B000003RJ3'
'TXXX:Acoustid Id'                                  'f38630d0-5a55-4ca0-8ddb-241c8dee1e63'
'TXXX:Artists'                                      'Underworld'
'TXXX:BARCODE'                                      '016581872226'
'TXXX:CATALOGNUMBER'                                'TVT 8722-2'
'TXXX:MusicBrainz Album Artist Id'                  'ba2f4f3b-0293-4bc8-bb94-2f73b5207343'
'TXXX:MusicBrainz Album Id'                         'e0111ec4-d253-4355-a97b-47af376dc0b1'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'single'
'TXXX:MusicBrainz Artist Id'                        'ba2f4f3b-0293-4bc8-bb94-2f73b5207343'
'TXXX:MusicBrainz Release Group Id'                 'c5e9b3c5-920a-32cd-96ea-dc98d1b45586'
'TXXX:MusicBrainz Release Track Id'                 '0033b8f0-78db-3947-80de-b969f8e131c8'
'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'                                  ['electronic', 'techno', 'progressive trance']
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'trance']
'TXXX:originalyear'                                 '1994'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.526539'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd8fa6965-028e-4442-8a69-45745b0e934a')

========================== row from database ==========================
                                              'id'  1349402
                                            'path'  /data/Music/Bulk/00poprockelectronic/Underworld/Dirty Epic Cowgirl/Underworld - Dirty Epic Cowgirl - 01 - Dirty Epic (Dirty Guitar mix).mp3
                                         'working'  None
                                         'bitrate'  273
                                    'duration_sec'  600
                                           'genre'  electronic-th-techno;electronic-th-trance
                                        'filesize'  20530087
                                           'mtime'  1620572455
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 01 electronic th techno;electronic th trance
                                      'tag_artist'  Underworld
                                     'tag_release'  Dirty Epic / Cowgirl
                                       'tag_title'  Dirty Epic (Dirty Guitar mix)
                                             'bpm'  120.0
                                    'search_title'  'dirty':1,3 'epic':2 'guitar':4 'mix':5,6
                                   'search_artist'  'underworld':1
                                  'search_release'  'cowgirl':3 'dirty':1 'epic':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':2,5,7 'techno':4,6 'th':3 'trance':8
                                    'search_combo'  '00poprockelectronic':11 'cowgirl':10C 'dirty':1A,3A,8C 'electronic':12,15,17 'epic':2A,9C 'guitar':4A 'mix':5A,6A 'techno':14,16 'th':13 'trance':18 'underworld':7B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'trance']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic', 'techno', 'progressive trance']

============================== file details ==============================
                                           'mtime'  1620572455.0294967  (2021-05-09 17:00:55)
                             'size'  20530087