======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '189'
                                          'artist'  'Original Memphis Five'
                                     'text_people'  ''
                                         'release'  'Perfect 14349'
                                           'title'  "Mama's Boy"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', '1920s', 'jazz', 'early jazz', 'dixieland', 'dixieland jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '108.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Perfect 14349'
'TBPM' (BPM (beats per minute))                     '108.9'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1924-10-14'
'TIT2' (Title/songname/content description)         "Mama's Boy"
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '189000'
'TPE1' (Lead performer(s)/Soloist(s))               'Original Memphis Five'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', '1920s', 'jazz', 'early jazz', 'dixieland', 'dixieland jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.570173'

========================== row from database ==========================
                                              'id'  1514003
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1924/Original Memphis Five - Mama_s Boy 14-10-1924.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  189
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3878517
                                           'mtime'  1620525719
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1924 Mama_s 10 1924 prerock jb jazz unsorted
                                      'tag_artist'  Original Memphis Five
                                     'tag_release'  Perfect 14349
                                       'tag_title'  Mama's Boy
                                             'bpm'  108.9
                                    'search_title'  'boy':4 'mama':1 'mamas':3 's':2
                                   'search_artist'  'five':3 'memphis':2 'original':1
                                  'search_release'  '14349':2 'perfect':1
                                     'search_rest'  '00oldiepop':5 '1924':6 'country':4 'exotica':2 'jazz':1 'jb':10 'mama':7 'oldies':3 'prerock':9 's':8 'unsorted':11
                                    'search_combo'  '00oldiepop':14 '14349':9C '1924':15 'boy':4A 'country':13 'exotica':11 'five':7B 'jazz':10 'jb':19 'mama':1A,16 'mamas':3A 'memphis':6B 'oldies':12 'original':5B 'perfect':8C 'prerock':18 's':2A,17 'unsorted':20
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', '1920s', 'jazz', 'early jazz', 'dixieland', 'dixieland jazz']
                                        'tag_date'  1924
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525719.4160879  (2021-05-09 04:01:59)
                             'size'  3878517