======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '139'
                                          'artist'  'Neal Hefti'
                                     'text_people'  ''
                                         'release'  'Synanon (Liberty LST-7413 Stereo)'
                                           'title'  'Blues for Hopper'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-2', 'Q-OLDST-2', 'q-chart-2', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['jazz', 'soundtrack', 'lounge', 'swing', 'tv themes']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;soundtrack-video'
                                             'bpm'  '117.1'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Synanon (Liberty LST-7413 Stereo)'
'TBPM' (BPM (beats per minute))                     '117.1'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa', 'soundtrack-video']
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Blues for Hopper'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Neal Hefti'
'TPE2' (Band/orchestra/accompaniment)               'Neal Hefti'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'soundtrack', 'lounge', 'swing', 'tv themes']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.585638'

========================== row from database ==========================
                                              'id'  666667
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/151 Neal Hefti - Synanon/04_Blues_for_Hopper.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  139
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;soundtrack-video
                                        'filesize'  5730124
                                           'mtime'  1620538380
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 151 04_Blues_for_Hopper prerock jb jazz lounge exotica bossa;soundtrack video
                                      'tag_artist'  Neal Hefti
                                     'tag_release'  Synanon (Liberty LST-7413 Stereo)
                                       'tag_title'  Blues for Hopper
                                             'bpm'  117.1
                                    'search_title'  'blues':1 'for':2 'hopper':3
                                   'search_artist'  'hefti':2 'neal':1
                                  'search_release'  '7413':5 'liberty':2,3 'lst':4 'lst7413':6 'stereo':7,8 'synanon':1
                                     'search_rest'  '04':2 '151':1 'blues':3 'bossa':11,13 'exotica':10 'for':4 'hopper':5 'jazz':8 'jb':7 'lounge':9 'prerock':6 'soundtrack':12,14 'video':15
                                    'search_combo'  '04':15 '151':14 '7413':10C 'blues':1A,16 'bossa':24,26 'exotica':23 'for':2A,17 'hefti':5B 'hopper':3A,18 'jazz':21 'jb':20 'liberty':7C,8C 'lounge':22 'lst':9C 'lst7413':11C 'neal':4B 'prerock':19 'soundtrack':25,27 'stereo':12C,13C 'synanon':6C 'video':28
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'soundtrack', 'lounge', 'swing', 'tv themes']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538379.508563  (2021-05-09 07:32:59)
                             'size'  5730124