======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '239'
                                          'artist'  'Green River JB'
                                     'text_people'  ''
                                         'release'  'Green River JB'
                                           'title'  'Struttin with some barbecue'
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '112.508'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Green River JB'
'TBPM' (BPM (beats per minute))                     '112.508'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         'Struttin with some barbecue'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Green River JB'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.663578'

========================== row from database ==========================
                                              'id'  669897
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Dixieland/Green River JB__Struttin with some barbecue.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  239
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  4791743
                                           'mtime'  1620528479
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Dixieland JB__Struttin prerock jb jazz dixiestyle
                                      'tag_artist'  Green River JB
                                     'tag_release'  Green River JB
                                       'tag_title'  Struttin with some barbecue
                                             'bpm'  112.508
                                    'search_title'  'barbecue':4 'some':3 'struttin':1 'with':2
                                   'search_artist'  'green':1 'jb':3 'river':2
                                  'search_release'  'green':1 'jb':3 'river':2
                                     'search_rest'  'country':4 'dixieland':5 'dixiestyle':10 'exotica':2 'jazz':1 'jb':6,9 'oldies':3 'prerock':8 'struttin':7
                                    'search_combo'  'barbecue':4A 'country':14 'dixieland':15 'dixiestyle':20 'exotica':12 'green':5B,8C 'jazz':11 'jb':7B,10C,16,19 'oldies':13 'prerock':18 'river':6B,9C 'some':3A 'struttin':1A,17 'with':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528479.3248951  (2021-05-09 04:47:59)
                             'size'  4791743