======================== unified (from filesystem) ========================
                                         'bitrate'  '187.637'
                                        'duration'  '216'
                                          'artist'  'Nigel & Marvin'
                                     'text_people'  ''
                                         'release'  'solero zomercarnaval'
                                           'title'  'Follow The Leader'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-JZFKS-3', 'q-syn-1', 'q-bass-4', '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'  "['soca', 'funky house', 'party', '5 of 10 stars']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '19'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-latin'
                                             'bpm'  '143.925'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '1A107613'
'COMM:Comment:XXX'                                  'Ripped by Greg'
'COMM:ID3v1 Comment:XXX'                            'Ripped by Greg'
'TALB' (Album/Movie/Show title)                     'solero zomercarnaval'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-latin'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Follow The Leader'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nigel & Marvin'
'TRCK' (Track number/Position in set)               '6/19'
'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'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['soca', 'funky house', 'party', '5 of 10 stars']
'TXXX:q-bass'                                       '4'
'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'                        '-1.08 dB'
'TXXX:replaygain_track_peak'                        '0.450636'

========================== row from database ==========================
                                              'id'  789916
                                            'path'  /data/Music/Bulk/00localcharacter/Latin/Various/Nigel & Marvin - Follow the Leader.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  216
                                           'genre'  loc-style-latin
                                        'filesize'  5081075
                                           'mtime'  1620592728
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Latin Various the loc style latin
                                      'tag_artist'  Nigel & Marvin
                                     'tag_release'  solero zomercarnaval
                                       'tag_title'  Follow The Leader
                                             'bpm'  143.925
                                    'search_title'  'follow':1 'leader':3 'the':2
                                   'search_artist'  'marvin':2 'nigel':1
                                  'search_release'  'solero':1 'zomercarnaval':2
                                     'search_rest'  'latin':1 'loc':4 'style':5 'the':3 'various':2
                                    'search_combo'  'follow':1A 'latin':8 'leader':3A 'loc':11 'marvin':5B 'nigel':4B 'solero':6C 'style':12 'the':2A,10 'various':9 'zomercarnaval':7C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11A
                                           '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-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soca', 'funky house', 'party', '5 of 10 stars']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592727.8715613  (2021-05-09 22:38:47)
                             'size'  5081075