======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '602'
                                          'artist'  'Rev. Robert Wilkins'
                                     'text_people'  ''
                                         'release'  'Memphis Gospel Singer'
                                           'title'  'The Prodigal Son'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '100.655'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Memphis Gospel Singer'
'TBPM' (BPM (beats per minute))                     '100.655'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TIT2' (Title/songname/content description)         'The Prodigal Son'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rev. Robert Wilkins'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'all'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.79 dB'
'TXXX:replaygain_track_peak'                        '0.505812'

========================== row from database ==========================
                                              'id'  725913
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Rev. Robert Wilkins Memphis Gospel Singer(blues)(mp3@320)[rogercc][h33t]/06. The Prodigal Son.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  602
                                           'genre'  prerock-jb-blues
                                        'filesize'  24096388
                                           'mtime'  1620402509
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Singer(blues)(mp3@320)[rogercc][h33t] 06. prerock jb blues
                                      'tag_artist'  Rev. Robert Wilkins
                                     'tag_release'  Memphis Gospel Singer
                                       'tag_title'  The Prodigal Son
                                             'bpm'  100.655
                                    'search_title'  'prodigal':2 'son':3 'the':1
                                   'search_artist'  'rev':1,2 'robert':3 'wilkins':4
                                  'search_release'  'gospel':2 'memphis':1 'singer':3
                                     'search_rest'  '06':13,14 '320':8 '320rogercch33t':12 'blues':6,17 'country':4 'exotica':2 'h33t':10 'jazz':1 'jb':16 'mp3':7 'oldies':3 'prerock':15 'rogercc':9 'singer':5 'singerbluesmp3':11
                                    'search_combo'  '06':23,24 '320':18 '320rogercch33t':22 'blues':16,27 'country':14 'exotica':12 'gospel':9C 'h33t':20 'jazz':11 'jb':26 'memphis':8C 'mp3':17 'oldies':13 'prerock':25 'prodigal':2A 'rev':4B,5B 'robert':6B 'rogercc':19 'singer':10C,15 'singerbluesmp3':21 'son':3A 'the':1A 'wilkins':7B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620402509.0973263  (2021-05-07 17:48:29)
                             'size'  24096388