======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '223'
                                          'artist'  'Natural born chillers'
                                     'text_people'  ''
                                         'release'  'Mega Dance 1998'
                                           'title'  'Rock the funky beat'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-4', 'q-other-1', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  ("['drum and bass', 'united kingdom', 'jump up', 'home collection', "
 '"drum\'n\'bass"]')
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '113.389'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Mega Dance 1998'
'TBPM' (BPM (beats per minute))                     '113.389'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Rock the funky beat'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Natural born chillers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '000,188'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['drum and bass', 'united kingdom', 'jump up', 'home collection', "drum'n'bass"]
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.54 dB'
'TXXX:replaygain_track_peak'                        '0.392631'

========================== row from database ==========================
                                              'id'  1406886
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Mega dance 1998/Natural born chillers - Rock the funky beat.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  223
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  3576041
                                           'mtime'  1621697672
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat dance electronic generic radio dance
                                      'tag_artist'  Natural born chillers
                                     'tag_release'  Mega Dance 1998
                                       'tag_title'  Rock the funky beat
                                             'bpm'  113.389
                                    'search_title'  'beat':4 'funky':3 'rock':1 'the':2
                                   'search_artist'  'born':2 'chillers':3 'natural':1
                                  'search_release'  '1998':3 'dance':2 'mega':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'radio':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':11 '1998':10C 'beat':4A 'born':6B 'chillers':7B 'dance':9C,13 'electronic':15 'funky':3A 'generic':12 'mega':8C 'natural':5B 'radio':16 'rock':1A 'the':2A 'trapbeat':14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['drum and bass', 'united kingdom', 'jump up', 'home collection', "drum'n'bass"]
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697671.5453563  (2021-05-22 17:34:31)
                             'size'  3576041