======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '405'
                                          'artist'  'Hazell Dean'
                                     'text_people'  ''
                                         'release'  "Who's Leaving Who (Maxi)"
                                           'title'  'Whatever I Do (Wherever I Go)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'dance', 'female vocalists', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1988'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '135.455'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Who's Leaving Who (Maxi)"
'TBPM' (BPM (beats per minute))                     '135.455'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1988'
'TIT2' (Title/songname/content description)         'Whatever I Do (Wherever I Go)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hazell Dean'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['80s', 'dance', 'female vocalists', 'pop', 'disco']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.620928'

========================== row from database ==========================
                                              'id'  1348114
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/cifsd2f0.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  405
                                           'genre'  electronic-unsorted
                                        'filesize'  9732800
                                           'mtime'  1621696807
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] cifsd2f0 electronic unsorted
                                      'tag_artist'  Hazell Dean
                                     'tag_release'  Who's Leaving Who (Maxi)
                                       'tag_title'  Whatever I Do (Wherever I Go)
                                             'bpm'  135.455
                                    'search_title'  'do':3 'go':6,7 'i':2 'whatever':1 'wherever':4,5
                                   'search_artist'  'dean':2 'hazell':1
                                  'search_release'  'leaving':4 'maxi':6,7 's':2 'who':1,5 'whos':3
                                     'search_rest'  '00poprockelectronic':1 'cifsd2f0':7 'electronic':8 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':17 'cifsd2f0':23 'dean':9B 'do':3A 'electronic':24 'files':21,22 'go':6A,7A 'hazell':8B 'i':2A 'leaving':13C 'loose':19,20 'maxi':15C,16C 's':11C 'unsorted':18 'whatever':1A 'wherever':4A,5A 'who':10C,14C 'whos':12C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'dance', 'female vocalists', 'pop', 'disco']
                                        'tag_date'  1988
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696807.1412764  (2021-05-22 17:20:07)
                             'size'  9732800