======================== unified (from filesystem) ========================
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                                        'duration'  '141'
                                          'artist'  'Beirut'
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                                           'title'  'The Canals of Our City'
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                                     'discogstags'  "['rock', 'folk, world, & country', 'folk', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '154'
                                             'key'  '9B'
                                        'acoustid'  '151fa759-f7f0-4f36-97d5-22baf7c8d662'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Gulag Orkestar'
'TBPM' (BPM (beats per minute))                     '154'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2006-05-09'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['mandolin', 'Zach Condon'], ['ukulele', 'Zach Condon'], ['accordion', 'Zach Condon'], ['trumpet', 'Zach Condon'], ['piano', 'Zach Condon'], ['percussion', 'Zach Condon'], ['organ', 'Zach Condon']])
'TIT2' (Title/songname/content description)         'The Canals of Our City'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Beirut'
'TPE2' (Band/orchestra/accompaniment)               'Beirut'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ba Da Bing!'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Beirut'
'TSOP' (Performer sort order)                       'Beirut'
'TSRC' (ISRC (international standard recording code))  'USCPT0600029'
'TXXX:ASIN'                                         'B000F5GO0A'
'TXXX:Acoustid Id'                                  '151fa759-f7f0-4f36-97d5-22baf7c8d662'
'TXXX:Artists'                                      'Beirut'
'TXXX:BARCODE'                                      '600197004821'
'TXXX:CATALOGNUMBER'                                'BING048'
'TXXX:MusicBrainz Album Artist Id'                  '0af78501-5647-4c18-9a0d-66ac8789e13b'
'TXXX:MusicBrainz Album Id'                         '5d979dfc-d7ac-4c7e-8e63-50282fcd63d2'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '0af78501-5647-4c18-9a0d-66ac8789e13b'
'TXXX:MusicBrainz Release Group Id'                 'ce71dcab-b10c-3ac4-9303-6b61d4501270'
'TXXX:MusicBrainz Release Track Id'                 '4e93c6bb-a004-33d0-bb78-a881f1fe53a0'
'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'                                  ['rock', 'folk, world, & country', 'folk', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'indie folk', 'folk']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.416729'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6a45c006-07e7-42b8-9c8c-11a64758a983')

========================== row from database ==========================
                                              'id'  187104
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Beirut/10. The Canals of Our City.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  141
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5725034
                                           'mtime'  1628355627
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10. ifs songwriter eos
                                      'tag_artist'  Beirut
                                     'tag_release'  Gulag Orkestar
                                       'tag_title'  The Canals of Our City
                                             'bpm'  154.0
                                    'search_title'  'canals':2 'city':5 'of':3 'our':4 'the':1
                                   'search_artist'  'beirut':1
                                  'search_release'  'gulag':1 'orkestar':2
                                     'search_rest'  '00singer':1 '10':4,5 'eos':3 'ifs':6 'songwriter':2
                                    'search_combo'  '00singer':9 '10':12,13 'beirut':6B 'canals':2A 'city':5A 'eos':11 'gulag':7C 'ifs':14 'of':3A 'orkestar':8C 'our':4A 'songwriter':10 'the':1A
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'indie folk', 'folk']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk', 'indie rock']

============================== file details ==============================
                                           'mtime'  1628355627.2463238  (2021-08-07 19:00:27)
                             'size'  5725034