======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  "Lightnin' Hopkins"
                                     'text_people'  ''
                                         'release'  "25 Blues 'n' Soul Greats Vol. 4"
                                           'title'  'SOMETIMES SHE WILL'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-3', 'Q-LOCALNESS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'blues', 'texas blues', 'delta blues', 'classic blues']"
                                     'discogstags'  "['blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues'
                                             'bpm'  '140.725'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "25 Blues 'n' Soul Greats Vol. 4"
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-blues'
'TIT2' (Title/songname/content description)         'SOMETIMES SHE WILL'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               "Lightnin' Hopkins"
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'blues'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'texas blues', 'delta blues', 'classic blues']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.42 dB'
'TXXX:replaygain_track_peak'                        '0.492660'

========================== row from database ==========================
                                              'id'  1527866
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Lightnin_ Hopkins/15_LIGHTNIN_ HOPKINS_SOMETIMES SHE WILL_25 BLUES _N_ SOUL GREATS VOL. 4.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  prerock-jb-blues
                                        'filesize'  2452989
                                           'mtime'  1620402377
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Lightnin_ 15_LIGHTNIN_ HOPKINS_SOMETIMES WILL_25 BLUES _N_ SOUL GREATS VOL. prerock jb blues
                                      'tag_artist'  Lightnin' Hopkins
                                     'tag_release'  25 Blues 'n' Soul Greats Vol. 4
                                       'tag_title'  SOMETIMES SHE WILL
                                             'bpm'  140.725
                                    'search_title'  'she':2 'sometimes':1 'will':3
                                   'search_artist'  'hopkins':3 'lightnin':1,2
                                  'search_release'  '25':1 '4':9 'blues':2 'greats':6 'n':3,4 'soul':5 'vol':7,8
                                     'search_rest'  '15':6 '25':11 'blues':12 'country':4 'exotica':2 'greats':15 'hopkins':8 'jazz':1 'jb':19 'lightnin':5,7 'n':13 'oldies':3 'prerock':18 'sometimes':9 'soul':14 'vol':16,17 'will':10
                                    'search_combo'  '15':21 '25':7C,26 '4':15C 'blues':8C,27 'country':19 'exotica':17 'greats':12C,30 'hopkins':6B,23 'jazz':16 'jb':34 'lightnin':4B,5B,20,22 'n':9C,10C,28 'oldies':18 'prerock':33 'she':2A 'sometimes':1A,24 'soul':11C,29 'vol':13C,14C,31,32 'will':3A,25
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'texas blues', 'delta blues', 'classic blues']
                                        'tag_date'  
                                     'discogstags'  ['blues']

============================== file details ==============================
                                           'mtime'  1620402377.2607887  (2021-05-07 17:46:17)
                             'size'  2452989