======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '152'
                                          'artist'  'Original Dixieland Ramblers & Fatty George Band'
                                     'text_people'  ''
                                         'release'  'New Orleans Showtime Dixieland 2'
                                           'title'  'Carry me back to old Virginia'
                                           '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-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-o-dixiestyle'
                                             'bpm'  '84.105'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'New Orleans Showtime Dixieland 2'
'TBPM' (BPM (beats per minute))                     '84.105'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-o-dixiestyle'
'TIT2' (Title/songname/content description)         'Carry me back to old Virginia'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Original Dixieland Ramblers & Fatty George Band'
'TRCK' (Track number/Position in set)               '5'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '065,209'
'TXXX:MusicMagic Data'                              'AgEBQt6dpbultMmqhubXuU7lii6A54ACBhWb7CilhDnoDIABgAEOY7xMxfbVfJsJgd2AAc8+3PnqFqCQgAGcUxTy6Qi5Raw4t5qAAaA0ncG3V4RN6/o+WYHcgOSAn/V1meEzK4Qc6U2DqoK9AyW5CKf01qSWT4G6gAHS27Bu+X+utIABpDoQn+4ptl6ybY3agAE='
'TXXX:MusicMagic Fingerprint'                       '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'
'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'                                   'jazz'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.765792'

========================== row from database ==========================
                                              'id'  671621
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Original Dixieland Ramblers & Fatty George Band/05-Carry me back to old Virginia.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  152
                                           'genre'  prerock-jb-jazz-o-dixiestyle
                                        'filesize'  2448442
                                           'mtime'  1620533175
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 05 prerock jb jazz dixiestyle
                                      'tag_artist'  Original Dixieland Ramblers & Fatty George Band
                                     'tag_release'  New Orleans Showtime Dixieland 2
                                       'tag_title'  Carry me back to old Virginia
                                             'bpm'  84.105
                                    'search_title'  'back':3 'carry':1 'me':2 'old':5 'to':4 'virginia':6
                                   'search_artist'  'band':6 'dixieland':2 'fatty':4 'george':5 'original':1 'ramblers':3
                                  'search_release'  '2':5 'dixieland':4 'new':1 'orleans':2 'showtime':3
                                     'search_rest'  'country':4 'dixiestyle':7 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5
                                    'search_combo'  '2':17C 'back':3A 'band':12B 'carry':1A 'country':21 'dixieland':8B,16C 'dixiestyle':24 'exotica':19 'fatty':10B 'george':11B 'jazz':18 'jb':23 'me':2A 'new':13C 'old':5A 'oldies':20 'original':7B 'orleans':14C 'prerock':22 'ramblers':9B 'showtime':15C 'to':4A 'virginia':6A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4B
                                           '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-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620533175.1123528  (2021-05-09 06:06:15)
                             'size'  2448442