======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '201'
                                          'artist'  'The Tallest Man on Earth'
                                     'text_people'  'The Tallest Man on Earth'
                                         'release'  'The Wild Hunt'
                                           'title'  'The Wild Hunt'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'acoustic', 'blues', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-folk'
                                             'bpm'  '102.178'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     'The Wild Hunt'
'TBPM' (BPM (beats per minute))                     '102.178'
'TCOM' (Composer)                                   'The Tallest Man on Earth'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 9.0.2'
'TIT2' (Title/songname/content description)         'The Wild Hunt'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Tallest Man on Earth'
'TPE2' (Band/orchestra/accompaniment)               'The Tallest Man on Earth'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Dead Oceans Records'
'TRCK' (Track number/Position in set)               '1'
'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:lastfmtags'                                   ['swedish', 'acoustic', 'blues', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.83 dB'
'TXXX:replaygain_track_peak'                        '0.255179'

========================== row from database ==========================
                                              'id'  1261671
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Tallest Man On Earth/The Wild Hunt/01 The Wild Hunt.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  201
                                           'genre'  ifs-songwriter;ifs-songwriter-folk
                                        'filesize'  9295124
                                           'mtime'  1637330504
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos On 01 ifs songwriter;ifs songwriter folk
                                      'tag_artist'  The Tallest Man on Earth
                                     'tag_release'  The Wild Hunt
                                       'tag_title'  The Wild Hunt
                                             'bpm'  102.178
                                    'search_title'  'hunt':3 'the':1 'wild':2
                                   'search_artist'  'earth':5 'man':3 'on':4 'tallest':2 'the':1
                                  'search_release'  'hunt':3 'the':1 'wild':2
                                     'search_rest'  '00singer':1 'eos':3 'folk':10 'ifs':5,7,9 'on':4 'songwriter':2,6,8
                                    'search_combo'  '00singer':12 'earth':8B 'eos':14 'folk':21 'hunt':3A,11C 'ifs':16,18,20 'man':6B 'on':7B,15 'songwriter':13,17,19 'tallest':5B 'the':1A,4B,9C 'wild':2A,10C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'acoustic', 'blues', 'folk', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330504.1414378  (2021-11-19 15:01:44)
                             'size'  9295124