======================== unified (from filesystem) ========================
                                         'bitrate'  '188.705'
                                        'duration'  '205'
                                          'artist'  'Sonora Carruseles'
                                     'text_people'  ''
                                         'release'  'Salsa'
                                           'title'  'Tabaratiando'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['salsa', 'latin', 'colombia', 'latin jazz']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  '17'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '130.988'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '02112811'
'COMM:ID3v1 Comment:XXX'                            '02112811'
'TALB' (Album/Movie/Show title)                     'Salsa'
'TBPM' (BPM (beats per minute))                     '130.988'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Tabaratiando'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonora Carruseles'
'TRCK' (Track number/Position in set)               '17/17'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 2, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['salsa', 'latin', 'colombia', 'latin jazz']
'TXXX:q-bass'                                       '4'
'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-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.64 dB'
'TXXX:replaygain_track_peak'                        '0.441095'

========================== row from database ==========================
                                              'id'  793993
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Salsa/Sonora Carruseles - Tabaratiando.mp3
                                         'working'  None
                                         'bitrate'  188
                                    'duration_sec'  205
                                           'genre'  loc-style-latin
                                        'filesize'  4843177
                                           'mtime'  1620592709
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin loc style latin
                                      'tag_artist'  Sonora Carruseles
                                     'tag_release'  Salsa
                                       'tag_title'  Tabaratiando
                                             'bpm'  130.988
                                    'search_title'  'tabaratiando':1
                                   'search_artist'  'carruseles':2 'sonora':1
                                  'search_release'  'salsa':1
                                     'search_rest'  'latin':1 'loc':2 'style':3
                                    'search_combo'  'carruseles':3B 'latin':5 'loc':6 'salsa':4C 'sonora':2B 'style':7 'tabaratiando':1A
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['salsa', 'latin', 'colombia', 'latin jazz']
                                        'tag_date'  1998
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1620592709.0800266  (2021-05-09 22:38:29)
                             'size'  4843177