======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '190'
                                          'artist'  'Regina Spektor'
                                     'text_people'  ''
                                         'release'  'Begin To Hope'
                                           'title'  'Samson'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                                     'discogstags'  "['rock', 'avantgarde', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos;set-pl-sced'
                                             'bpm'  '91.144'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'By Jon'
'COMM:iTunNORM:eng'                                 'By Jon'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008DC 0000000000806694 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+70DE403202BF39B91154D4045E8D21B3+6929710'
'TALB' (Album/Movie/Show title)                     'Begin To Hope'
'TBPM' (BPM (beats per minute))                     '91.144'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-eos', 'set-pl-sced']
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'Jon'
'TIT2' (Title/songname/content description)         'Samson'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Regina Spektor'
'TPE2' (Band/orchestra/accompaniment)               'Regina Spektor'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '03'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'avantgarde', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.442995'

========================== row from database ==========================
                                              'id'  1377437
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Regina Spektor/[2006] Begin To Hope/03 Samson.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  190
                                           'genre'  ifs-songwriter-eos;set-pl-sced
                                        'filesize'  4135995
                                           'mtime'  1636400850
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos [2006] 03 ifs songwriter eos;set pl sced
                                      'tag_artist'  Regina Spektor
                                     'tag_release'  Begin To Hope
                                       'tag_title'  Samson
                                             'bpm'  91.144
                                    'search_title'  'samson':1
                                   'search_artist'  'regina':1 'spektor':2
                                  'search_release'  'begin':1 'hope':3 'to':2
                                     'search_rest'  '00singer':1 '00songwriter':4 '2006':5,6 'eos':3,8,10 'ifs':7 'pl':12 'sced':13 'set':9,11 'songwriter':2
                                    'search_combo'  '00singer':7 '00songwriter':10 '2006':11,12 'begin':4C 'eos':9,14,16 'hope':6C 'ifs':13 'pl':18 'regina':2B 'samson':1A 'sced':19 'set':15,17 'songwriter':8 'spektor':3B 'to':5C
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'avantgarde', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400849.5474782  (2021-11-08 20:47:29)
                             'size'  4135995