======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '210'
                                          'artist'  'Chris Barber'
                                     'text_people'  ''
                                         'release'  'Chris Barber  JB'
                                           'title'  'Ice cream'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'trad jazz', 'blues', 'jazz', 'dixieland']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '113.517'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Chris Barber  JB'
'TBPM' (BPM (beats per minute))                     '113.517'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         'Ice cream'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Chris Barber'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'trad jazz', 'blues', 'jazz', 'dixieland']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.15 dB'
'TXXX:replaygain_track_peak'                        '0.687181'

========================== row from database ==========================
                                              'id'  676143
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Dixieland/Chris Barber__Ice cream.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  210
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  4219628
                                           'mtime'  1620528465
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Dixieland Barber__Ice prerock jb jazz o dixiestyle
                                      'tag_artist'  Chris Barber
                                     'tag_release'  Chris Barber  JB
                                       'tag_title'  Ice cream
                                             'bpm'  113.517
                                    'search_title'  'cream':2 'ice':1
                                   'search_artist'  'barber':2 'chris':1
                                  'search_release'  'barber':2 'chris':1 'jb':3
                                     'search_rest'  'barber':6 'country':4 'dixieland':5 'dixiestyle':11 'exotica':2 'ice':7 'jazz':1 'jb':9 'o':10 'oldies':3 'prerock':8
                                    'search_combo'  'barber':4B,6C,13 'chris':3B,5C 'country':11 'cream':2A 'dixieland':12 'dixiestyle':18 'exotica':9 'ice':1A,14 'jazz':8 'jb':7C,16 'o':17 'oldies':10 'prerock':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'trad jazz', 'blues', 'jazz', 'dixieland']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528465.4655983  (2021-05-09 04:47:45)
                             'size'  4219628