======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '155'
                                          'artist'  'Björk'
                                     'text_people'  'Vince Mendoza'
                                         'release'  'Selmasongs'
                                           'title'  '107 Steps'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']"
                                     'discogstags'  "['electronic', 'classical', 'stage & screen', 'soundtrack', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '7'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;ifs-songwriter-eos;loc-iceland'
                                             'bpm'  '120'
                                             'key'  '6B'
                                        'acoustid'  '9d0d46f2-c97c-49e3-a16d-a211f8120b8d'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'elektra'
'COMM:ID3v1 Comment:XXX'                            'elektra'
'TALB' (Album/Movie/Show title)                     'Selmasongs'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'ifs-songwriter-eos', 'loc-iceland']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2004-10-21'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['mix', 'Mark "Spike" Stent'], ['mix', 'Wayne Wilkins'], ['arranger', 'Vince Mendoza'], ['engineer', 'Jake Davies'], ['engineer', "Jan 'Stan' Kybert"], ['engineer', 'Valgeir Sigurðsson'], ['sampler', 'Ad Stoop'], ['sampler', 'Per Streit'], ['celesta', 'Björk'], ['celesta', 'Guy Sigsworth']])
'TIT2' (Title/songname/content description)         '107 Steps'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '155977'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Björk'
'TPE2' (Band/orchestra/accompaniment)               'Björk'
'TPE3' (Conductor/performer refinement)             'Vince Mendoza'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Universal International'
'TRCK' (Track number/Position in set)               '6/7'
'TSO2'                                              'Björk'
'TSOP' (Performer sort order)                       'Björk'
'TSRC' (ISRC (international standard recording code))  'GBBTF9900166'
'TXXX:ASIN'                                         'B0002ZEUGI'
'TXXX:Acoustid Id'                                  '9d0d46f2-c97c-49e3-a16d-a211f8120b8d'
'TXXX:Artists'                                      'Björk'
'TXXX:BARCODE'                                      '4988005374318'
'TXXX:CATALOGNUMBER'                                'UICY-9728'
'TXXX:MusicBrainz Album Artist Id'                  '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Album Id'                         '3f75c08e-8b81-3f85-b24c-3c7596915393'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/soundtrack'
'TXXX:MusicBrainz Artist Id'                        '87c5dedd-371d-4a53-9f7f-80522fb7f3cb'
'TXXX:MusicBrainz Release Group Id'                 '14a8c576-44af-36a1-b896-81901705b5b0'
'TXXX:MusicBrainz Release Track Id'                 '2e6b8adc-a263-3b7b-b77a-409b632352b0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'classical', 'stage & screen', 'soundtrack', 'experimental']
'TXXX:lastfmtags'                                   ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.441052'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'88d18815-0fc9-444e-850f-3d4f4409a765')
'USLT::XXX'                                         ('Siobhan Fallon :\r\n'
 'Five, six, seven, eight, nine, ten,\r\n'
 'Eleven, twelve, thirteen, fourteen\r\n'
 'Fifteen, sixteen, seventeen, eighteen, nineteen,\r\n'
 'Twenty, twenty one, twenty two, twenty three,\r\n'
 'Twenty four, twenty five, twenty six, twenty seven,\r\n'
 'Twenty eight, twenty nine, thirty \r\n'
 '\r\n'
 'Björk :\r\n'
 'Thirty one, thirty five, thirty eight, forty two,\r\n'
 'forty eight, fifty one, fifty four, fifty eight\r\n'
 'Sixty four, sixty eight, sixty nine, seventy five\r\n'
 'Seventy nine, eighty three, eighty six, eighty nine, ninety three\r\n'
 'One hundred steps')

========================== row from database ==========================
                                              'id'  1347821
                                            'path'  /data/Music/Bulk/00poprockelectronic/Bjork/selmasongs/Bj_rk - 107 Steps.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  155
                                           'genre'  electronic-unsorted;ifs-songwriter-eos;loc-iceland
                                        'filesize'  2529073
                                           'mtime'  1642256399
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Bjork selmasongs Bj_rk electronic unsorted;ifs songwriter eos;loc iceland
                                      'tag_artist'  Björk
                                     'tag_release'  Selmasongs
                                       'tag_title'  107 Steps
                                             'bpm'  120.0
                                    'search_title'  '107':1 'steps':2
                                   'search_artist'  'bjork':1,2
                                  'search_release'  'selmasongs':1
                                     'search_rest'  '00poprockelectronic':1 'bj':4 'bjork':2 'electronic':6 'eos':12,14 'iceland':16 'ifs':8,10 'loc':13,15 'rk':5 'selmasongs':3 'songwriter':11 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':6 '107':1A 'bj':9 'bjork':3B,4B,7 'electronic':11 'eos':17,19 'iceland':21 'ifs':13,15 'loc':18,20 'rk':10 'selmasongs':5C,8 'songwriter':16 'steps':2A 'unsorted':12,14
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'icelandic', 'electronic', 'bjork']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'classical', 'stage & screen', 'soundtrack', 'experimental']

============================== file details ==============================
                                           'mtime'  1642256399.3614104  (2022-01-15 15:19:59)
                             'size'  2529073