======================== 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-GRIT-2', 'Q-BUSY-3', 'Q-PLAY-3', 'q-bass-3', 'Q-CHART-2', 'q-drums-1', "
 "'q-other-4', 'q-piano-1', 'q-vocals-1', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', "
 "'Q-JZFKS-3', 'Q-OLDST-1', 'Q-HHRNBTT-1', 'Q-MIXBEAT-1', 'Q-LOCALNESS-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-dixiestyle'
                                             'bpm'  '112.5'
                                             'key'  'G#m'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Green River JB'
'TBPM' (BPM (beats per minute))                     '112.5'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-dixiestyle'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Struttin with some barbecue'
'TKEY' (Initial key)                                'G#m'
'TPE1' (Lead performer(s)/Soloist(s))               'Green River JB'
'TPE2' (Band/orchestra/accompaniment)               'Green River JB'
'TXXX:MusicMagic Data'                              'AQEBWpwSg6Ob8Kv+geo9ejqbgAGBe4K3EdelFSrAgWzsjIABiNUo4LJkgG7veYixgi+AAdVf16f5O5DNgAGqQhGx98yuALAxgAKAAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:http://www.foosic.org/'                       '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'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.663557'

========================== row from database ==========================
                                              'id'  1495043
                                            'path'  /data/Music/Other/Pa/Dixieland/Green River JB/Struttin with some barbecue.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  239
                                           'genre'  prerock-jb-jazz-dixiestyle
                                        'filesize'  4796293
                                           'mtime'  1621094200
                                   'redo_metaread'  0
                                        'rest_str'   Pa Dixieland prerock jb jazz dixiestyle
                                      'tag_artist'  Green River JB
                                     'tag_release'  Green River JB
                                       'tag_title'  Struttin with some barbecue
                                             'bpm'  112.5
                                    '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'  'dixieland':2 'dixiestyle':6 'jazz':5 'jb':4 'pa':1 'prerock':3
                                    'search_combo'  'barbecue':4A 'dixieland':12 'dixiestyle':16 'green':5B,8C 'jazz':15 'jb':7B,10C,14 'pa':11 'prerock':13 'river':6B,9C 'some':3A 'struttin':1A 'with':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  G#m
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-1', 'Q-OLDST-1', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-3', 'Q-UNU-1', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621094199.6029875  (2021-05-15 17:56:39)
                             'size'  4796293