======================== unified (from filesystem) ========================
                                         'bitrate'  '236.782'
                                        'duration'  '283'
                                          'artist'  'Two Man Sound'
                                     'text_people'  ''
                                         'release'  'Solera Zomercarnaval  '
                                           'title'  'Disco Samba'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['disco', 'latin', 'home collection', 'belgium']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '19'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '125.626'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '0C11E013'
'COMM:Comment:XXX'                                  'Ripped by Greg'
'COMM:ID3v1 Comment:XXX'                            'Ripped by Greg'
'TALB' (Album/Movie/Show title)                     'Solera Zomercarnaval  '
'TBPM' (BPM (beats per minute))                     '125.626'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Disco Samba'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Two Man Sound'
'TRCK' (Track number/Position in set)               '8/19'
'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'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['disco', 'latin', 'home collection', 'belgium']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.63 dB'
'TXXX:replaygain_track_peak'                        '0.531510'

========================== row from database ==========================
                                              'id'  794615
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Various/Two Man Sound - Disco Samba.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  283
                                           'genre'  loc-style-latin
                                        'filesize'  8402143
                                           'mtime'  1620592733
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin Various loc style latin
                                      'tag_artist'  Two Man Sound
                                     'tag_release'  Solera Zomercarnaval  
                                       'tag_title'  Disco Samba
                                             'bpm'  125.626
                                    'search_title'  'disco':1 'samba':2
                                   'search_artist'  'man':2 'sound':3 'two':1
                                  'search_release'  'solera':1 'zomercarnaval':2
                                     'search_rest'  'latin':1 'loc':3 'style':4 'various':2
                                    'search_combo'  'disco':1A 'latin':8 'loc':10 'man':4B 'samba':2A 'solera':6C 'sound':5B 'style':11 'two':3B 'various':9 'zomercarnaval':7C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['disco', 'latin', 'home collection', 'belgium']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592733.3609028  (2021-05-09 22:38:53)
                             'size'  8402143