======================== unified (from filesystem) ========================
                                         'bitrate'  '169.663'
                                        'duration'  '288'
                                          'artist'  "Oscar D'Leon"
                                     'text_people'  ''
                                         'release'  'El Rey De Los Soneros'
                                           'title'  'Cristobal C.'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-1', 'Q-PLAY-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['salsa', 'latin', 'latino', 'venezuela', 'chill906']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '8'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '111.824'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '6B086108'
'COMM:ID3v1 Comment:XXX'                            '6B086108'
'TALB' (Album/Movie/Show title)                     'El Rey De Los Soneros'
'TBPM' (BPM (beats per minute))                     '111.824'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Cristobal C.'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Oscar D'Leon"
'TRCK' (Track number/Position in set)               '8/8'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['salsa', 'latin', 'latino', 'venezuela', 'chill906']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.748861'

========================== row from database ==========================
                                              'id'  1528813
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Oscar D_Leon/El Rey De Los Soneros/Oscar D_leon - Cristobal C. - 08.mp3
                                         'working'  None
                                         'bitrate'  169
                                    'duration_sec'  288
                                           'genre'  loc-style-latin
                                        'filesize'  6125321
                                           'mtime'  1620592703
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin D_Leon D_leon 08 loc style latin
                                      'tag_artist'  Oscar D'Leon
                                     'tag_release'  El Rey De Los Soneros
                                       'tag_title'  Cristobal C.
                                             'bpm'  111.824
                                    'search_title'  'c':2,3 'cristobal':1
                                   'search_artist'  'd':2 'dleon':4 'leon':3 'oscar':1
                                  'search_release'  'de':3 'el':1 'los':4 'rey':2 'soneros':5
                                     'search_rest'  'd':2 'latin':1 'leon':3 'loc':4 'style':5
                                    'search_combo'  'c':2A,3A 'cristobal':1A 'd':5B,14 'de':10C 'dleon':7B 'el':8C 'latin':13 'leon':6B,15 'loc':16 'los':11C 'oscar':4B 'rey':9C 'soneros':12C 'style':17
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['salsa', 'latin', 'latino', 'venezuela', 'chill906']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592702.9842749  (2021-05-09 22:38:22)
                             'size'  6125321