======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  'The Bird Day'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Feel The Wave Pt. II'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['birp', 'lo-fi', 'psychedelic', 'electronic', 'home collection']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '133.316'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Feel The Wave Pt. II'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Bird Day'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['birp', 'lo-fi', 'psychedelic', 'electronic', 'home collection']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.58 dB'
'TXXX:replaygain_track_peak'                        '0.345195'

========================== row from database ==========================
                                              'id'  163974
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Bird Day/the-bird-day-feel-the-wave-pt-ii.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  electronic-unsorted
                                        'filesize'  8836766
                                           'mtime'  1620579842
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm the bird day feel the wave pt ii electronic unsorted
                                      'tag_artist'  The Bird Day
                                     'tag_release'  None
                                       'tag_title'  Feel The Wave Pt. II
                                             'bpm'  133.316
                                    'search_title'  'feel':1 'ii':6 'pt':4,5 'the':2 'wave':3
                                   'search_artist'  'bird':2 'day':3 'the':1
                                  'search_release'  
                                     'search_rest'  'bird':2 'day':3 'electronic':8 'feel':4 'ii':7 'pt':6 'the':1 'unsorted':9 'wave':5
                                    'search_combo'  'bird':8B,11 'day':9B,12 'electronic':17 'feel':1A,13 'ii':6A,16 'pt':4A,5A,15 'the':2A,7B,10 'unsorted':18 'wave':3A,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['birp', 'lo-fi', 'psychedelic', 'electronic', 'home collection']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620579841.6361208  (2021-05-09 19:04:01)
                             'size'  8836766