======================== unified (from filesystem) ========================
                                         'bitrate'  '224.0'
                                        'duration'  '389'
                                          'artist'  'Debashish Bhattacharya'
                                     'text_people'  ''
                                         'release'  'Calcutta Slide-Guitar'
                                           'title'  'Anandam'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-4', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['raga', 'world', 'indian classical', 'indian', 'slide guitar']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '6'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '93.457'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Calcutta Slide-Guitar'
'TBPM' (BPM (beats per minute))                     '93.457'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005-04-25'
'TIT2' (Title/songname/content description)         'Anandam'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Debashish Bhattacharya'
'TPE2' (Band/orchestra/accompaniment)               'Debashish Bhattacharya'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Riverboat Records'
'TRCK' (Track number/Position in set)               '1/6'
'TSO2'                                              'Bhattacharya, Debashish'
'TSOP' (Performer sort order)                       'Bhattacharya, Debashish'
'TXXX:ASIN'                                         'B0007XTQ5U'
'TXXX:BARCODE'                                      '605633003628'
'TXXX:CATALOGNUMBER'                                'TUGCD1036'
'TXXX:MusicBrainz Album Artist Id'                  '9c3871b9-8fa4-4eb4-9e45-ffd411c2a055'
'TXXX:MusicBrainz Album Id'                         'd4d1f5aa-2996-422a-967d-dfe066831c0c'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9c3871b9-8fa4-4eb4-9e45-ffd411c2a055'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '4'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '3'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['raga', 'world', 'indian classical', 'indian', 'slide guitar']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.846820'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a58fc272-79b2-40d2-bbcf-8416c16843d4')

========================== row from database ==========================
                                              'id'  1395978
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Bhattacharya, Debashish/Calcutta Slide-Guitar, Vol. 3/01. Aanandam.mp3
                                         'working'  None
                                         'bitrate'  224
                                    'duration_sec'  389
                                           'genre'  loc-asia-india
                                        'filesize'  10929988
                                           'mtime'  1621626979
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Bhattacharya, Guitar, Vol. 3 01. Aanandam loc asia india
                                      'tag_artist'  Debashish Bhattacharya
                                     'tag_release'  Calcutta Slide-Guitar
                                       'tag_title'  Anandam
                                             'bpm'  93.457
                                    'search_title'  'anandam':1
                                   'search_artist'  'bhattacharya':2 'debashish':1
                                  'search_release'  'calcutta':1 'guitar':3 'slide':2 'slideguitar':4
                                     'search_rest'  '00asia':1 '01':9,10 '3':8 'aanandam':11 'asia':13 'bhattacharya':2,3 'guitar':4,5 'india':14 'loc':12 'vol':6,7
                                    'search_combo'  '00asia':8 '01':16,17 '3':15 'aanandam':18 'anandam':1A 'asia':20 'bhattacharya':3B,9,10 'calcutta':4C 'debashish':2B 'guitar':6C,11,12 'india':21 'loc':19 'slide':5C 'slideguitar':7C 'vol':13,14
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['raga', 'world', 'indian classical', 'indian', 'slide guitar']
                                        'tag_date'  2005
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1621626978.681051  (2021-05-21 21:56:18)
                             'size'  10929988