======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '284'
                                          'artist'  'the meters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'just kissed my baby'
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['fip', 'soul', '70s', 'new orleans', 'groove', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '255'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '85.525'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.525'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'just kissed my baby'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'the meters'
'TRCK' (Track number/Position in set)               '255'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'soul', '70s', 'new orleans', 'groove', 'funk']
'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'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '1.037762'

========================== row from database ==========================
                                              'id'  1403730
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/The Meters - Just Kissed my Baby.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  284
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  5688395
                                           'mtime'  1620645398
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat The Meters Just Kissed Baby electronic generic or radio dance
                                      'tag_artist'  the meters
                                     'tag_release'  None
                                       'tag_title'  just kissed my baby
                                             'bpm'  85.525
                                    'search_title'  'baby':4 'just':1 'kissed':2 'my':3
                                   'search_artist'  'meters':2 'the':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'baby':9 'dance':3 'electronic':10 'generic':2 'just':7 'kissed':8 'meters':6 'or':11 'radio':12 'the':5 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':7 'baby':4A,15 'dance':9 'electronic':16 'generic':8 'just':1A,13 'kissed':2A,14 'meters':6B,12 'my':3A 'or':17 'radio':18 'the':5B,11 'trapbeat':10
                                    'tag_tracknum'  255
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'soul', '70s', 'new orleans', 'groove', 'funk']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645398.379177  (2021-05-10 13:16:38)
                             'size'  5688395