======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '246'
                                          'artist'  'Led Er Est'
                                     'text_people'  ''
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                                           'title'  'I Wait'
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                                      'lastfmtags'  "['new wave', 'minimal synth', 'post punk', 'minimal wave', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '124.1'
                                             'key'  '8A'
                                        'acoustid'  '32c72553-b02c-4121-9a34-c2176fe4855a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'COMM:iTunes_CDDB_TrackNumber:eng'                  '7'
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'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
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'TBPM' (BPM (beats per minute))                     '124.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'I Wait'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Led Er Est'
'TPE2' (Band/orchestra/accompaniment)               'Led Er Est'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Wierd Records'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Led Er Est'
'TSOP' (Performer sort order)                       'Led Er Est'
'TSRC' (ISRC (international standard recording code))  'USJ3D0900020'
'TXXX:Acoustid Id'                                  '32c72553-b02c-4121-9a34-c2176fe4855a'
'TXXX:Artists'                                      'Led Er Est'
'TXXX:BARCODE'                                      '616892083764'
'TXXX:CATALOGNUMBER'                                'VR009-2'
'TXXX:MusicBrainz Album Artist Id'                  '85360045-c4c7-408f-92c4-0b0b8bd73c95'
'TXXX:MusicBrainz Album Id'                         '5b31a323-cfb4-4421-9435-596987a5a43e'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '85360045-c4c7-408f-92c4-0b0b8bd73c95'
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'TXXX:MusicBrainz Release Track Id'                 '584fc44b-efe0-4015-bf83-0dbb7ef862c2'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
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'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
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'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['new wave', 'minimal synth', 'post punk', 'minimal wave', 'synthpop']
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-7.51 dB'
'TXXX:replaygain_track_peak'                        '1.030133'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'028d6dcd-1dc2-405f-b63e-abae2243cbe9')

========================== row from database ==========================
                                              'id'  1478584
                                            'path'  /data/Music/Bulk/00poprockelectronic/Led Er Est - Dust On Common (2009)/07 I Wait For You.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  246
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  9924002
                                           'mtime'  1620570539
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic On (2009) 07 For You electronic we new wave or post punk
                                      'tag_artist'  Led Er Est
                                     'tag_release'  Dust on Common
                                       'tag_title'  I Wait
                                             'bpm'  124.1
                                    'search_title'  'i':1 'wait':2
                                   'search_artist'  'er':2 'est':3 'led':1
                                  'search_release'  'common':3 'dust':1 'on':2
                                     'search_rest'  '00poprockelectronic':1 '2009':3,4 'electronic':7 'for':5 'new':9 'on':2 'or':11 'post':12 'punk':13 'wave':10 'we':8 'you':6
                                    'search_combo'  '00poprockelectronic':9 '2009':11,12 'common':8C 'dust':6C 'electronic':15 'er':4B 'est':5B 'for':13 'i':1A 'led':3B 'new':17 'on':7C,10 'or':19 'post':20 'punk':21 'wait':2A 'wave':18 'we':16 'you':14
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-2', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['new wave', 'minimal synth', 'post punk', 'minimal wave', 'synthpop']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620570538.5294785  (2021-05-09 16:28:58)
                             'size'  9924002