======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '238'
                                          'artist'  'Kings of Convenience'
                                     'text_people'  ''
                                         'release'  'Riot on an Empty Street'
                                           'title'  'Know-How'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['indie', 'acoustic', 'love at first listen', 'acoustic dreams', 'singer "
 "songwriter']")
                                     'discogstags'  "['progressive house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '80'
                                             'key'  '4B'
                                        'acoustid'  '856004cd-98fc-4dd6-948a-45b8715be8b3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Riot on an Empty Street'
'TBPM' (BPM (beats per minute))                     '80'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Know-How'
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Kings of Convenience feat. Feist'
'TPE2' (Band/orchestra/accompaniment)               'Kings of Convenience'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Source UK'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Kings of Convenience'
'TSOP' (Performer sort order)                       'Kings of Convenience feat. Feist'
'TXXX:ASIN'                                         'B00029MMQO'
'TXXX:Acoustid Id'                                  '856004cd-98fc-4dd6-948a-45b8715be8b3'
'TXXX:Artists'                                      'Kings of Convenience/Feist'
'TXXX:BARCODE'                                      '724357166515'
'TXXX:CATALOGNUMBER'                                'SOURLP 099'
'TXXX:MusicBrainz Album Artist Id'                  'cf0f4547-ffbd-4011-98ad-0bec9ba022db'
'TXXX:MusicBrainz Album Id'                         'ac9b0652-e883-4be3-ad58-fd1fb33a5ac4'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cf0f4547-ffbd-4011-98ad-0bec9ba022db/a670e05a-cea8-4b37-bce9-d82daf1a0fa4'
'TXXX:MusicBrainz Release Group Id'                 'd0e15374-e370-3558-b2e4-6f2f4e6394e2'
'TXXX:MusicBrainz Release Track Id'                 '764ff698-8638-4c0b-888a-dac111f5787a'
'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'                                  ['progressive house', 'electronic']
'TXXX:lastfmtags'                                   ['indie',
 'acoustic',
 'love at first listen',
 'acoustic dreams',
 'singer songwriter']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.415143'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c5436ba6-7cd8-49b6-babe-4a2bacfbc845')

========================== row from database ==========================
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                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Kings of Convenience/MBZ;#Kings of Convenience;#Riot on an Empty Street;#05;#Know How.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  238
                                           'genre'  ifs-songwriter
                                        'filesize'  7694716
                                           'mtime'  1637330796
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos MBZ;#Kings Convenience;#Riot Street;#05;#Know ifs songwriter
                                      'tag_artist'  Kings of Convenience
                                     'tag_release'  Riot on an Empty Street
                                       'tag_title'  Know-How
                                             'bpm'  80.0
                                    'search_title'  'how':2 'know':1 'knowhow':3
                                   'search_artist'  'convenience':3 'kings':1 'of':2
                                  'search_release'  'an':3 'empty':4 'on':2 'riot':1 'street':5
                                     'search_rest'  '00singer':1 '05':13,16 'convenience':8,10 'eos':3 'ifs':18 'kings':5,7 'know':14,17 'mbz':4,6 'riot':9,11 'songwriter':2 'street':12,15
                                    'search_combo'  '00singer':12 '05':24,27 'an':9C 'convenience':6B,19,21 'empty':10C 'eos':14 'how':2A 'ifs':29 'kings':4B,16,18 'know':1A,25,28 'knowhow':3A 'mbz':15,17 'of':5B 'on':8C 'riot':7C,20,22 'songwriter':13 'street':11C,23,26
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'love at first listen', 'acoustic dreams', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  ['progressive house', 'electronic']

============================== file details ==============================
                                           'mtime'  1637330795.5301208  (2021-11-19 15:06:35)
                             'size'  7694716