======================== unified (from filesystem) ========================
                                         'bitrate'  '178.629'
                                        'duration'  '141'
                                          'artist'  'Pearls Before Swine'
                                     'text_people'  ''
                                         'release'  'The Use of Ashes'
                                           'title'  'Song About a Rose'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['60s', 'psychedelic folk', 'acid folk', 'psychedelic', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '121.994'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Use of Ashes'
'TBPM' (BPM (beats per minute))                     '121.994'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Song About a Rose'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pearls Before Swine'
'TPE2' (Band/orchestra/accompaniment)               'Pearls Before Swine'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:acoustid_id'                                  '51473a77-db20-4018-9a49-fe62969647a4'
'TXXX:albumartistsort'                              'Pearls Before Swine'
'TXXX:artistsort'                                   'Pearls Before Swine'
'TXXX:asin'                                         'B0000ZMH2Y'
'TXXX:catalognumber'                                'RS 6405'
'TXXX:label'                                        'Reprise Records'
'TXXX:lastfmtags'                                   ['60s', 'psychedelic folk', 'acid folk', 'psychedelic', 'folk']
'TXXX:media'                                        'Vinyl'
'TXXX:musicbrainz_albumartistid'                    'e57364a4-9813-41d8-aba0-cd71d17907b5'
'TXXX:musicbrainz_albumid'                          'aafe2347-a6a0-464c-a81e-6d8030689ba9'
'TXXX:musicbrainz_artistid'                         'e57364a4-9813-41d8-aba0-cd71d17907b5'
'TXXX:musicbrainz_trackid'                          '32c80675-1f28-44f5-9865-af951086c895'
'TXXX:originaldate'                                 '1970'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:releasecountry'                               'US'
'TXXX:releasestatus'                                'official'
'TXXX:releasetype'                                  'album'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.687270'
'TXXX:script'                                       'Latn'

========================== row from database ==========================
                                              'id'  1108190
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Pearls Before Swine/1970 - the use of ashes (2003 reissue)/05.Song About A Rose.mp3
                                         'working'  None
                                         'bitrate'  178
                                    'duration_sec'  141
                                           'genre'  ifs-songwriter
                                        'filesize'  3249683
                                           'mtime'  1623435949
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1970 the use ashes (2003 reissue) 05.Song ifs songwriter
                                      'tag_artist'  Pearls Before Swine
                                     'tag_release'  The Use of Ashes
                                       'tag_title'  Song About a Rose
                                             'bpm'  121.994
                                    'search_title'  'a':3 'about':2 'rose':4 'song':1
                                   'search_artist'  'before':2 'pearls':1 'swine':3
                                  'search_release'  'ashes':4 'of':3 'the':1 'use':2
                                     'search_rest'  '00singer':1 '05':12 '05song':14 '1970':4 '2003':8,9 'ashes':7 'eos':3 'ifs':15 'reissue':10,11 'song':13 'songwriter':2 'the':5 'use':6
                                    'search_combo'  '00singer':12 '05':23 '05song':25 '1970':15 '2003':19,20 'a':3A 'about':2A 'ashes':11C,18 'before':6B 'eos':14 'ifs':26 'of':10C 'pearls':5B 'reissue':21,22 'rose':4A 'song':1A,24 'songwriter':13 'swine':7B 'the':8C,16 'use':9C,17
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['60s', 'psychedelic folk', 'acid folk', 'psychedelic', 'folk']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1623435949.132197  (2021-06-11 20:25:49)
                             'size'  3249683