======================== unified (from filesystem) ========================
                                         'bitrate'  '173.334'
                                        'duration'  '174'
                                          'artist'  'Robert Cray'
                                     'text_people'  ''
                                         'release'  'Strong Persuader'
                                           'title'  'More Than I Can Stand'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'guitar', 'blues', 'soul', 'rock']"
                                     'discogstags'  "['rock', 'blues', 'blues rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '126.489'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '78093C0A'
'COMM:ID3v1 Comment:XXX'                            '78093C0A'
'TALB' (Album/Movie/Show title)                     'Strong Persuader'
'TBPM' (BPM (beats per minute))                     '126.489'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'More Than I Can Stand'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Robert Cray'
'TRCK' (Track number/Position in set)               '6/10'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'blues', 'blues rock', 'pop rock']
'TXXX:lastfmtags'                                   ['blues rock', 'guitar', 'blues', 'soul', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.594564'

========================== row from database ==========================
                                              'id'  1384552
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Cray, Robert/Strong Persuader/Robert Cray - More Than I Can Stand - 06.mp3
                                         'working'  None
                                         'bitrate'  173
                                    'duration_sec'  174
                                           'genre'  funk or soul-funk
                                        'filesize'  3788672
                                           'mtime'  1620665598
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul Cray, 06 funk soul funk
                                      'tag_artist'  Robert Cray
                                     'tag_release'  Strong Persuader
                                       'tag_title'  More Than I Can Stand
                                             'bpm'  126.489
                                    'search_title'  'can':4 'i':3 'more':1 'stand':5 'than':2
                                   'search_artist'  'cray':2 'robert':1
                                  'search_release'  'persuader':2 'strong':1
                                     'search_rest'  'cray':4,5 'funk':2 'soul':3 'swing':1
                                    'search_combo'  'can':4A 'cray':7B,13,14 'funk':11 'i':3A 'more':1A 'persuader':9C 'robert':6B 'soul':12 'stand':5A 'strong':8C 'swing':10 'than':2A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'guitar', 'blues', 'soul', 'rock']
                                        'tag_date'  1986
                                     'discogstags'  ['rock', 'blues', 'blues rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1620665598.0629544  (2021-05-10 18:53:18)
                             'size'  3788672