======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '146'
                                          'artist'  'Enya'
                                     'text_people'  ''
                                         'release'  'Watermark'
                                           'title'  'Watermark'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['new age', 'celtic', 'female vocalists', 'irish', 'ambient']"
                                     'discogstags'  "['electronic', 'modern classical', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '132.531'
                                             'key'  '7B'
                                        'acoustid'  '6959442a-a24b-4a5b-925c-88a690506fdc'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Watermark'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDOR' (Original release time)                      '1988'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Watermark'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Enya'
'TPE2' (Band/orchestra/accompaniment)               'Enya'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Geffen Records/BMG Direct Marketing, Inc.'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Enya'
'TSOP' (Performer sort order)                       'Enya'
'TSRC' (ISRC (international standard recording code))  'GBAHT0900028/GBAHT8802591'
'TXXX:Acoustid Id'                                  '6959442a-a24b-4a5b-925c-88a690506fdc'
'TXXX:CATALOGNUMBER'                                '9 24233-2/D 101041'
'TXXX:MusicBrainz Album Artist Id'                  '4967c0a1-b9f3-465e-8440-4598fd9fc33c'
'TXXX:MusicBrainz Album Id'                         'c57034fa-c08b-4aaa-bcaa-b207ba760de9'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4967c0a1-b9f3-465e-8440-4598fd9fc33c'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'modern classical', 'ambient']
'TXXX:lastfmtags'                                   ['new age', 'celtic', 'female vocalists', 'irish', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.47 dB'
'TXXX:replaygain_track_peak'                        '0.750311'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6e686d11-0191-4021-9bb7-a46535709ca4')

========================== row from database ==========================
                                              'id'  1382572
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Enya/Watermark/Enya -Watermark -  01.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  146
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  2050003
                                           'mtime'  1620645380
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 01 ifs songwriter pop
                                      'tag_artist'  Enya
                                     'tag_release'  Watermark
                                       'tag_title'  Watermark
                                             'bpm'  132.531
                                    'search_title'  'watermark':1
                                   'search_artist'  'enya':1
                                  'search_release'  'watermark':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'pop':5 'songwriter':2
                                    'search_combo'  '00singer':4 'enya':2B 'eos':6 'ifs':7 'pop':8 'songwriter':5 'watermark':1A,3C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'Q-PIANO-3', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['new age', 'celtic', 'female vocalists', 'irish', 'ambient']
                                        'tag_date'  1988
                                     'discogstags'  ['electronic', 'modern classical', 'ambient']

============================== file details ==============================
                                           'mtime'  1620645379.5004191  (2021-05-10 13:16:19)
                             'size'  2050003