======================== unified (from filesystem) ========================
                                         'bitrate'  '203.166'
                                        'duration'  '143'
                                          'artist'  'Laura Marling'
                                     'text_people'  'Laura Marling'
                                         'release'  'Alas I Cannot Swim'
                                           'title'  'Cross Your Fingers'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  ("['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'pop rock', "
 "'folk', 'indie rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '143.925'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Alas I Cannot Swim'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCOM' (Composer)                                   'Laura Marling'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2008-02-11'
'TIT2' (Title/songname/content description)         'Cross Your Fingers'
'TKEY' (Initial key)                                '9A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Laura Marling'
'TPE2' (Band/orchestra/accompaniment)               'Laura Marling'
'TPUB' (Publisher)                                  'Virgin'
'TRCK' (Track number/Position in set)               '6/12'
'TSOP' (Performer sort order)                       'Marling, Laura'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'TXXX:ALBUMARTISTSORT'                              'Marling, Laura'
'TXXX:ASIN'                                         'B0012JQCPU'
'TXXX:BARCODE'                                      '5099951688028'
'TXXX:MP3GAIN_MINMAX'                               '142,251'
'TXXX:MP3GAIN_UNDO'                                 '+004,+004,N'
'TXXX:MusicBrainz Album Artist Id'                  'cd9713d6-6e5f-4143-9412-4d12b7bd47f2'
'TXXX:MusicBrainz Album Id'                         '123a7fa9-f179-43c9-9353-c4cf2625ed4a'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'cd9713d6-6e5f-4143-9412-4d12b7bd47f2'
'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:Release type'                                 'elease '
'TXXX:Rip date'                                     'ip date'
'TXXX:Ripping tool'                                 'ipp'
'TXXX:Source'                                       'ource'
'TXXX:discogstags'                                  ['rock',
 'folk, world, & country',
 'folk rock',
 'acoustic',
 'pop rock',
 'folk',
 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'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'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.17 dB'
'TXXX:replaygain_track_peak'                        '0.524854'

========================== row from database ==========================
                                              'id'  354835
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Laura Marling/06 Cross Your Fingers.mp3
                                         'working'  None
                                         'bitrate'  203
                                    'duration_sec'  143
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  4130694
                                           'mtime'  1636400356
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 06 ifs songwriter indie
                                      'tag_artist'  Laura Marling
                                     'tag_release'  Alas I Cannot Swim
                                       'tag_title'  Cross Your Fingers
                                             'bpm'  143.925
                                    'search_title'  'cross':1 'fingers':3 'your':2
                                   'search_artist'  'laura':1 'marling':2
                                  'search_release'  'alas':1 'cannot':3 'i':2 'swim':4
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2
                                    'search_combo'  '00singer':10 'alas':6C 'cannot':8C 'cross':1A 'eos':12 'fingers':3A 'i':7C 'ifs':13 'indie':14 'laura':4B 'marling':5B 'songwriter':11 'swim':9C 'your':2A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'pop rock', 'folk', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400355.8903081  (2021-11-08 20:39:15)
                             'size'  4130694