======================== unified (from filesystem) ========================
                                         'bitrate'  '216.632'
                                        'duration'  '117'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Streets of Lhasa'
                                           'title'  'San Xian With Vocal'
                                           '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-2', "
 "'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'  '8'
                                      'tracktotal'  '19'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-asia-china'
                                             'bpm'  '143.721'
                                             'key'  '10A'
                                        'acoustid'  '79592221-0a5e-4fba-84cf-add18f630a0b'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Streets of Lhasa'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-china'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'San Xian With Vocal'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Sublime Frequencies'
'TRCK' (Track number/Position in set)               '8/19'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       '[unknown]'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame V3.97 (Beta)'
'TXXX:Acoustid Id'                                  '79592221-0a5e-4fba-84cf-add18f630a0b'
'TXXX:CATALOGNUMBER'                                'SF016'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '19b38bd3-5ab3-452a-991f-ba5891bef557'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '125ec42a-7229-4250-afc5-e057484327fe'
'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: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'                        '+2.99 dB'
'TXXX:replaygain_track_peak'                        '0.313008'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7e8a7463-6bc6-45cd-838c-1c580d5f74d8')

========================== row from database ==========================
                                              'id'  479167
                                            'path'  /data/Music/Bulk/00localcharacter/Sublime Frequencies/[SF016] Various Artists - Streets of Lhasa (Sublime Frequencies,2005)/08 - San Xian With Vocal.mp3
                                         'working'  None
                                         'bitrate'  216
                                    'duration_sec'  117
                                           'genre'  loc-asia-china
                                        'filesize'  3180331
                                           'mtime'  1621627133
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Sublime Frequencies [SF016] Various Artists (Sublime Frequencies,2005) 08 loc asia china
                                      'tag_artist'  [unknown]
                                     'tag_release'  Streets of Lhasa
                                       'tag_title'  San Xian With Vocal
                                             'bpm'  143.721
                                    'search_title'  'san':1 'vocal':4 'with':3 'xian':2
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'lhasa':3 'of':2 'streets':1
                                     'search_rest'  '2005':9,11 'artists':6 'asia':13 'china':14 'frequencies':2,8,10 'loc':12 'sf016':3,4 'sublime':1,7 'various':5
                                    'search_combo'  '2005':18,20 'artists':15 'asia':22 'china':23 'frequencies':11,17,19 'lhasa':9C 'loc':21 'of':8C 'san':1A 'sf016':12,13 'streets':7C 'sublime':10,16 'unknown':5B,6B 'various':14 'vocal':4A 'with':3A 'xian':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-3', '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'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627133.382217  (2021-05-21 21:58:53)
                             'size'  3180331