======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '303'
                                          'artist'  'Portishead'
                                     'text_people'  ''
                                         'release'  'Dummy'
                                           'title'  'Biscuit'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'alternative', 'female vocalists', 'trip hop']"
                                     'discogstags'  "['electronic', 'downtempo', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '11'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '136.0'
                                             'key'  '2A'
                                        'acoustid'  '5b565175-6275-4d6b-baf4-45e3a1d62056'
rest: ''

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

'COMM:ID3v1 Comment:eng'                            '10'
'TALB' (Album/Movie/Show title)                     'Dummy'
'TBPM' (BPM (beats per minute))                     '136.0'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'electronic-trip hop or downtempo or acid jazz']
'TDOR' (Original release time)                      '1994'
'TDRC' (Recording time)                             '2012-10-09'
'TIT2' (Title/songname/content description)         'Biscuit'
'TKEY' (Initial key)                                '2A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Portishead'
'TPE2' (Band/orchestra/accompaniment)               'Portishead'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Go! Beat'
'TRCK' (Track number/Position in set)               '10/11'
'TSO2'                                              'Portishead'
'TSOP' (Performer sort order)                       'Portishead'
'TSRC' (ISRC (international standard recording code))  'GBAQT9400065'
'TXXX:ASIN'                                         'B0083UTZOQ'
'TXXX:Acoustid Id'                                  '5b565175-6275-4d6b-baf4-45e3a1d62056'
'TXXX:BARCODE'                                      '600753391204'
'TXXX:CATALOGNUMBER'                                '533 912-0'
'TXXX:MusicBrainz Album Artist Id'                  '8f6bd1e4-fbe1-4f50-aa9b-94c450ec0f11'
'TXXX:MusicBrainz Album Id'                         'f4cc1eae-7916-4661-b4ff-f3b555fafdc6'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8f6bd1e4-fbe1-4f50-aa9b-94c450ec0f11'
'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'                                  ['electronic', 'downtempo', 'trip hop']
'TXXX:lastfmtags'                                   ['electronic', 'alternative', 'female vocalists', 'trip hop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.460040'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5efc1689-a6e8-45d3-a481-774be58e8b59')

========================== row from database ==========================
                                              'id'  1283741
                                            'path'  /data/Music/Bulk/00poprockelectronic/Portishead/Dummy/10 - Biscuit.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  303
                                           'genre'  ifs-songwriter-eos;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7291113
                                           'mtime'  1636911389
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 10 ifs songwriter eos;electronic trip hop downtempo acid jazz
                                      'tag_artist'  Portishead
                                     'tag_release'  Dummy
                                       'tag_title'  Biscuit
                                             'bpm'  136.0
                                    'search_title'  'biscuit':1
                                   'search_artist'  'portishead':1
                                  'search_release'  'dummy':1
                                     'search_rest'  '00poprockelectronic':1 'acid':11 'downtempo':10 'electronic':5,7 'eos':4,6 'hop':9 'ifs':2 'jazz':12 'songwriter':3 'trip':8
                                    'search_combo'  '00poprockelectronic':4 'acid':14 'biscuit':1A 'downtempo':13 'dummy':3C 'electronic':8,10 'eos':7,9 'hop':12 'ifs':5 'jazz':15 'portishead':2B 'songwriter':6 'trip':11
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  2A
                                           '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-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'alternative', 'female vocalists', 'trip hop']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'downtempo', 'trip hop']

============================== file details ==============================
                                           'mtime'  1636911389.3578043  (2021-11-14 18:36:29)
                             'size'  7291113