======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '288'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Music! The Berlin Phonogramm-Archiv 1900-2000'
                                           'title'  ('Tedhak Saking [Descending From...] (Central Javanese Gamelan composition) '
 '(Java, 1923)')
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 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '42'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '136'
                                             'key'  '10B'
                                        'acoustid'  'e7dcc891-6182-4bb4-99b5-516b69d334a8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Music! The Berlin Phonogramm-Archiv 1900-2000'
'TBPM' (BPM (beats per minute))                     '136'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-06-11'
'TIT2' (Title/songname/content description)         ('Tedhak Saking [Descending From...] (Central Javanese Gamelan composition) '
 '(Java, 1923)')
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/4'
'TPUB' (Publisher)                                  'WERGO'
'TRCK' (Track number/Position in set)               '3/42'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       '[unknown]'
'TSST' (Set subtitle)                               'Wax Cylinder Recordings 1893-1954'
'TXXX:ASIN'                                         'B00004YUCI'
'TXXX:Acoustid Id'                                  'e7dcc891-6182-4bb4-99b5-516b69d334a8'
'TXXX:Artists'                                      '[unknown]'
'TXXX:BARCODE'                                      '4010228170122'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '4c4fa0e1-0593-43e8-98e7-c1a88976a4a3'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
'TXXX:MusicBrainz Release Group Id'                 '973c39f1-1c5e-35f6-9972-9f81ee206236'
'TXXX:MusicBrainz Release Track Id'                 'becffd63-7e71-32b9-bc80-190b58c8d3e8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.618605'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3346919c-e924-4b17-bda0-41a2ab3fd9ec')

========================== row from database ==========================
                                              'id'  473082
                                            'path'  /data/Music/Bulk/00localcharacter/VA. World 1： Trad/Berlin Phonogramm Archiv - Wax Cylinder Recordings (1893-1954) [192k]/03-anon_(java_1923)-tedhak_saking_(central_javanese_gamelan_comp).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  288
                                           'genre'  loc-unsorted
                                        'filesize'  7009826
                                           'mtime'  1621629857
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter VA. World 1： Trad Wax Cylinder Recordings (1893 1954) [192k] 03 anon_(java_1923) tedhak_saking_(central_javanese_gamelan_comp) loc unsorted
                                      'tag_artist'  [unknown]
                                     'tag_release'  Music! The Berlin Phonogramm-Archiv 1900-2000
                                       'tag_title'  Tedhak Saking [Descending From...] (Central Javanese Gamelan composition) (Java, 1923)
                                             'bpm'  136.0
                                    'search_title'  '1923':15,16 'central':7,8 'composition':11,12 'descending':3,4 'from':5,6 'gamelan':10 'java':13,14 'javanese':9 'saking':2 'tedhak':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  '1900':7 '19002000':9 '2000':8 'archiv':5 'berlin':3 'music':1 'phonogramm':4 'phonogrammarchiv':6 'the':2
                                     'search_rest'  '1':4,5,6 '1893':11,12 '1923':19,22 '192k':15,16 '1954':13,14 'anon':17,20 'central':25,31 'comp':28,34 'cylinder':9 'gamelan':27,33 'java':18,21 'javanese':26,32 'loc':35 'recordings':10 'saking':24,30 'tedhak':23,29 'trad':7 'unsorted':36 'va':1,2 'wax':8 'world':3
                                    'search_combo'  '1':31,32,33 '1893':38,39 '1900':25C '19002000':27C '1923':15A,16A,46,49 '192k':42,43 '1954':40,41 '2000':26C 'anon':44,47 'archiv':23C 'berlin':21C 'central':7A,8A,52,58 'comp':55,61 'composition':11A,12A 'cylinder':36 'descending':3A,4A 'from':5A,6A 'gamelan':10A,54,60 'java':13A,14A,45,48 'javanese':9A,53,59 'loc':62 'music':19C 'phonogramm':22C 'phonogrammarchiv':24C 'recordings':37 'saking':2A,51,57 'tedhak':1A,50,56 'the':20C 'trad':34 'unknown':17B,18B 'unsorted':63 'va':28,29 'wax':35 'world':30
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629856.902646  (2021-05-21 22:44:16)
                             'size'  7009826