======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '249'
                                          'artist'  'Sarah Fimm'
                                     'text_people'  'Fimm/Baron'
                                         'release'  'Near Infinite Possibility'
                                           'title'  'Soul Let Swim'
                                           '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-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['indie', 'lush', 'female vocalists', 'rock', 'electronic', 'singer "
 "songwriter']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '13'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '125.238'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000015DF 0000138D 00007C17 00008A9D 00038658 0003A48D 00008991 000087F6 '
 '00024F1F 00024F1F')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000864 0000000000A81C8C 00000000 005B6F59 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Near Infinite Possibility'
'TBPM' (BPM (beats per minute))                     '125.238'
'TCOM' (Composer)                                   'Fimm/Baron'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2010'
'TENC' (Encoded by)                                 'iTunes 10.1.2'
'TIT2' (Title/songname/content description)         'Soul Let Swim'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sarah Fimm'
'TPE2' (Band/orchestra/accompaniment)               'Sarah Fimm'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/13'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'lush', 'female vocalists', 'rock', 'electronic', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.416089'

========================== row from database ==========================
                                              'id'  199727
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sarah Fimm/01__Sarah_Fimm__Soul_Let_Swim__Near_Infinite_Possibility__FrostWire.com.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  249
                                           'genre'  ifs-songwriter
                                        'filesize'  9158974
                                           'mtime'  1637330649
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01__Sarah_Fimm__Soul_Let_Swim__Near_Infinite_Possibility__FrostWire.com ifs songwriter
                                      'tag_artist'  Sarah Fimm
                                     'tag_release'  Near Infinite Possibility
                                       'tag_title'  Soul Let Swim
                                             'bpm'  125.238
                                    'search_title'  'let':2 'soul':1 'swim':3
                                   'search_artist'  'fimm':2 'sarah':1
                                  'search_release'  'infinite':2 'near':1 'possibility':3
                                     'search_rest'  '00singer':1 '01':4,15,26 'com':14,37 'eos':3 'fimm':6,17,28 'frost':35 'frostwire':13 'frostwirecom':24 'ifs':25 'infinite':11,22,33 'let':8,19,30 'near':10,21,32 'possibility':12,23,34 'sarah':5,16,27 'songwriter':2 'soul':7,18,29 'swim':9,20,31 'wire':36 'wirecom':38
                                    'search_combo'  '00singer':9 '01':12,23,34 'com':22,45 'eos':11 'fimm':5B,14,25,36 'frost':43 'frostwire':21 'frostwirecom':32 'ifs':33 'infinite':7C,19,30,41 'let':2A,16,27,38 'near':6C,18,29,40 'possibility':8C,20,31,42 'sarah':4B,13,24,35 'songwriter':10 'soul':1A,15,26,37 'swim':3A,17,28,39 'wire':44 'wirecom':46
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lush', 'female vocalists', 'rock', 'electronic', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330649.0351658  (2021-11-19 15:04:09)
                             'size'  9158974