======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '168'
                                          'artist'  'GusGus'
                                     'text_people'  'dj mix-Gus Gus'
                                         'release'  'Mixed Live: Sirkus, Reykjavik, Iceland'
                                           'title'  '$100 Acappella'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'trip hop', 'downtempo', 'icelandic', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '123.784'
                                             'key'  '2A'
                                        'acoustid'  'a61902e2-1fa6-4a45-8044-ae221d0ccb6f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Mixed Live: Sirkus, Reykjavik, Iceland'
'TBPM' (BPM (beats per minute))                     '123.784'
'TCMP'                                              '1'
'TCOM' (Composer)                                   'dj mix-Gus Gus'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         '$100 Acappella'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Captain Comatose'
'TPE2' (Band/orchestra/accompaniment)               'GusGus'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Moonshine Music'
'TRCK' (Track number/Position in set)               '1/15'
'TSO2'                                              'GusGus'
'TSOP' (Performer sort order)                       'Captain Comatose'
'TXXX:Acoustid Id'                                  'a61902e2-1fa6-4a45-8044-ae221d0ccb6f'
'TXXX:CATALOGNUMBER'                                'MM 80208-2'
'TXXX:MusicBrainz Album Artist Id'                  'f5cff7b2-b19d-4934-8525-b17248b30ab3'
'TXXX:MusicBrainz Album Id'                         'bce7ac99-c2e1-4b21-b602-c3fb1d46aeec'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        '0fa048ab-9888-4992-92de-afbe4dac0db3'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'trip hop', 'downtempo', 'icelandic', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.590896'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'0a112fec-8319-4a68-a395-f08fe8a01f95')

========================== row from database ==========================
                                              'id'  1407693
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/2003 - GusGus - Mixed Live Sirkus, Reykjavik, Iceland/01 - $100 Accapelia.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  168
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  5448930
                                           'mtime'  1636910203
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 2003 01 Accapelia electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  GusGus
                                     'tag_release'  Mixed Live: Sirkus, Reykjavik, Iceland
                                       'tag_title'  $100 Acappella
                                             'bpm'  123.784
                                    'search_title'  '100':1 'acappella':2
                                   'search_artist'  'gus':2 'gusgus':1
                                  'search_release'  'iceland':8 'live':2,3 'mixed':1 'reykjavik':6,7 'sirkus':4,5
                                     'search_rest'  '00poprockelectronic':1 '2003':5 'accapelia':6 'acid':12 'dance':3 'downtempo':11 'electronic':7 'generic':2 'hop':9 'jazz':13 'or':10 'trapbeat':4 'trip':8
                                    'search_combo'  '00poprockelectronic':13 '100':1A '2003':17 'acappella':2A 'accapelia':18 'acid':24 'dance':15 'downtempo':23 'electronic':19 'generic':14 'gus':4B 'gusgus':3B 'hop':21 'iceland':12C 'jazz':25 'live':6C,7C 'mixed':5C 'or':22 'reykjavik':10C,11C 'sirkus':8C,9C 'trapbeat':16 'trip':20
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'trip hop', 'downtempo', 'icelandic', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910202.6258726  (2021-11-14 18:16:42)
                             'size'  5448930