======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '212'
                                          'artist'  'Eddie Condon'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "That's A Serious Thing 8-2-1929"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'indiana', 'jazz', 'dixieland', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1929'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '109.1'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '109.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1929'
'TIT2' (Title/songname/content description)         "That's A Serious Thing 8-2-1929"
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '212000'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Condon'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['guitar', 'indiana', 'jazz', 'dixieland', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.562889'

========================== row from database ==========================
                                              'id'  1515356
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1929/Eddie Condon - That_s A Serious Thing 8-2-1929.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  212
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4291192
                                           'mtime'  1620525796
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop That_s prerock jb jazz unsorted
                                      'tag_artist'  Eddie Condon
                                     'tag_release'  None
                                       'tag_title'  That's A Serious Thing 8-2-1929
                                             'bpm'  109.1
                                    'search_title'  '1929':9 '2':8 '8':7 '821929':10 'a':4 's':2 'serious':5 'that':1 'thats':3 'thing':6
                                   'search_artist'  'condon':2 'eddie':1
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'prerock':8 's':7 'that':6 'unsorted':10
                                    'search_combo'  '00oldiepop':17 '1929':9A '2':8A '8':7A '821929':10A 'a':4A 'condon':12B 'country':16 'eddie':11B 'exotica':14 'jazz':13 'jb':21 'oldies':15 'prerock':20 's':2A,19 'serious':5A 'that':1A,18 'thats':3A 'thing':6A 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['guitar', 'indiana', 'jazz', 'dixieland', 'swing']
                                        'tag_date'  1929
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620525795.6347091  (2021-05-09 04:03:15)
                             'size'  4291192