======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'Charanjit Singh'
                                     'text_people'  ''
                                         'release'  'Synthesizing: Ten Ragas to a Disco Beat'
                                           'title'  'Raga: Bhupali'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['acid house', 'acid', 'electronic', 'experimental', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '10'
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '145'
                                             'key'  '3B'
                                        'acoustid'  'e2fcf137-9961-4250-a4e0-09924edd1df4'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Synthesizing: Ten Ragas to a Disco Beat'
'TBPM' (BPM (beats per minute))                     '145'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '1983'
'TDRC' (Recording time)                             '1983'
'TENC' (Encoded by)                                 'dee pee ess'
'TIT2' (Title/songname/content description)         'Raga: Bhupali'
'TKEY' (Initial key)                                '3B'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Charanjit Singh'
'TPE2' (Band/orchestra/accompaniment)               'Charanjit Singh'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  "His Master's Voice"
'TRCK' (Track number/Position in set)               '3/10'
'TSO2'                                              'Singh, Charanjit'
'TSOP' (Performer sort order)                       'Singh, Charanjit'
'TXXX:Acoustid Id'                                  'e2fcf137-9961-4250-a4e0-09924edd1df4'
'TXXX:Artists'                                      'Charanjit Singh'
'TXXX:CATALOGNUMBER'                                'ECSD. 2912'
'TXXX:MusicBrainz Album Artist Id'                  'e52b6000-7cee-42d0-af6c-771cf42a7c49'
'TXXX:MusicBrainz Album Id'                         '6242805e-b9cb-4bb9-be6d-e7f900b74977'
'TXXX:MusicBrainz Album Release Country'            'IN'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e52b6000-7cee-42d0-af6c-771cf42a7c49'
'TXXX:MusicBrainz Release Group Id'                 '0cbe8a70-c2a4-42ac-b7f7-86a91a306a20'
'TXXX:MusicBrainz Release Track Id'                 '0e715159-6f8c-455c-a317-72f26cd6e0e1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['acid house', 'acid', 'electronic', 'experimental', 'disco']
'TXXX:originalyear'                                 '1983'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.505017'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a34b2a96-63b8-457e-8cae-1303c5da7aab')

========================== row from database ==========================
                                              'id'  1360538
                                            'path'  /data/Music/Bulk/00poprockelectronic/Charanjit Singh/Ten Ragas to a Disco Beat/03-charanjit_singh-raga_bhupali-dps.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  electronic-unsorted
                                        'filesize'  11643642
                                           'mtime'  1620568332
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 charanjit_singh raga_bhupali dps electronic unsorted
                                      'tag_artist'  Charanjit Singh
                                     'tag_release'  Synthesizing: Ten Ragas to a Disco Beat
                                       'tag_title'  Raga: Bhupali
                                             'bpm'  145.0
                                    'search_title'  'bhupali':3 'raga':1,2
                                   'search_artist'  'charanjit':1 'singh':2
                                  'search_release'  'a':6 'beat':8 'disco':7 'ragas':4 'synthesizing':1,2 'ten':3 'to':5
                                     'search_rest'  '00poprockelectronic':1 'bhupali':5 'charanjit':2 'dps':6 'electronic':7 'raga':4 'singh':3 'unsorted':8
                                    'search_combo'  '00poprockelectronic':14 'a':11C 'beat':13C 'bhupali':3A,18 'charanjit':4B,15 'disco':12C 'dps':19 'electronic':20 'raga':1A,2A,17 'ragas':9C 'singh':5B,16 'synthesizing':6C,7C 'ten':8C 'to':10C 'unsorted':21
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acid house', 'acid', 'electronic', 'experimental', 'disco']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568332.2135103  (2021-05-09 15:52:12)
                             'size'  11643642