======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '196'
                                          'artist'  'Kabalas'
                                     'text_people'  ''
                                         'release'  'Martinis and Bagels'
                                           'title'  'Mr. Right'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '18'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '146.0'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Martinis and Bagels'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Mr. Right'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kabalas'
'TPE2' (Band/orchestra/accompaniment)               'Kabalas'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '14/18'
'TSO2'                                              'Kabalas'
'TSOP' (Performer sort order)                       'Kabalas'
'TXXX:ASIN'                                         'B0000059ZV'
'TXXX:MusicBrainz Album Artist Id'                  '27054230-ae09-4a1a-bd72-0e198745b3e1'
'TXXX:MusicBrainz Album Id'                         '3ab5a4c1-d50e-42e9-9680-5f2d0b55d41f'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        '27054230-ae09-4a1a-bd72-0e198745b3e1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.577237'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'7d71011f-c890-495d-bbea-3a10a863ee86')

========================== row from database ==========================
                                              'id'  1372450
                                            'path'  /data/Music/Bulk/00localcharacter/Kabalas - 1995 - Martinis And Bagels/14 - Mr. Right.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  196
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  3926814
                                           'mtime'  1620528675
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 1995 And 14 loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  Kabalas
                                     'tag_release'  Martinis and Bagels
                                       'tag_title'  Mr. Right
                                             'bpm'  146.0
                                    'search_title'  'mr':1,2 'right':3
                                   'search_artist'  'kabalas':1
                                  'search_release'  'and':2 'bagels':3 'martinis':1
                                     'search_rest'  '1995':1 'and':2 'balkan':7 'brass':12 'gypsy':5 'klezmer':8,10 'loc':3 'mi':9,11 'or':6 'style':4
                                    'search_combo'  '1995':8 'and':6C,9 'bagels':7C 'balkan':14 'brass':19 'gypsy':12 'kabalas':4B 'klezmer':15,17 'loc':10 'martinis':5C 'mi':16,18 'mr':1A,2A 'or':13 'right':3A 'style':11
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528675.4670362  (2021-05-09 04:51:15)
                             'size'  3926814