======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '237'
                                          'artist'  'Harry Connick, Jr'
                                     'text_people'  ''
                                         'release'  'Blue Light, Red Light'
                                           'title'  'She Belongs to Me'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'swing', 'jazz vocal', 'big band', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '104.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Blue Light, Red Light'
'TBPM' (BPM (beats per minute))                     '104.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'She Belongs to Me'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Connick, Jr'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'jazz vocal', 'big band', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.95 dB'
'TXXX:replaygain_track_peak'                        '0.646025'

========================== row from database ==========================
                                              'id'  1313112
                                            'path'  /data/Music/Bulk/00poprockelectronic/Harry Jr Connick/Blue Light, Red Light/Harry Connick, Jr - She Belongs to Me.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  237
                                           'genre'  rock-unsorted
                                        'filesize'  3805500
                                           'mtime'  1620389827
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock unsorted
                                      'tag_artist'  Harry Connick, Jr
                                     'tag_release'  Blue Light, Red Light
                                       'tag_title'  She Belongs to Me
                                             'bpm'  104.9
                                    'search_title'  'belongs':2 'me':4 'she':1 'to':3
                                   'search_artist'  'connick':2,3 'harry':1 'jr':4
                                  'search_release'  'blue':1 'light':2,3 'red':4
                                     'search_rest'  '00poprockelectronic':1 'rock':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':13 'belongs':2A 'blue':9C 'connick':6B,7B 'harry':5B 'jr':8B 'light':10C,11C 'me':4A 'red':12C 'rock':14 'she':1A 'to':3A 'unsorted':15
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'swing', 'jazz vocal', 'big band', 'easy listening']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389827.0129755  (2021-05-07 14:17:07)
                             'size'  3805500