======================== unified (from filesystem) ========================
                                         'bitrate'  '130.528'
                                        'duration'  '143'
                                          'artist'  'Shirley Claire with the Al Kaye Trio'
                                     'text_people'  ''
                                         'release'  'Office Naps Youtube Channel'
                                           'title'  'Big Ben '
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '136.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Office Naps Youtube Channel'
'TBPM' (BPM (beats per minute))                     '136.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Big Ben '
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Shirley Claire with the Al Kaye Trio'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:other'                                        '28kbit_AAC)'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.59 dB'
'TXXX:replaygain_track_peak'                        '0.546776'

========================== row from database ==========================
                                              'id'  1120419
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Office Naps Youtube Channel (Ripped 05 09 16)/Shirley Claire with the Al Kaye Trio_ _Big Ben_ (128kbit_AAC).mp3
                                         'working'  None
                                         'bitrate'  130
                                    'duration_sec'  143
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  2342846
                                           'mtime'  1620538966
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Ripped 05 09 16) Trio_ _Big Ben_ (128kbit_AAC) prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  Shirley Claire with the Al Kaye Trio
                                     'tag_release'  Office Naps Youtube Channel
                                       'tag_title'  Big Ben 
                                             'bpm'  136.8
                                    'search_title'  'ben':2 'big':1
                                   'search_artist'  'al':5 'claire':2 'kaye':6 'shirley':1 'the':4 'trio':7 'with':3
                                  'search_release'  'channel':4 'naps':2 'office':1 'youtube':3
                                     'search_rest'  '128kbit':8,10 '16':3,4 'aac':9,11 'ben':7 'big':6 'bossa':18 'exotica':17 'jazz':14 'jb':13 'lounge':15 'or':16 'prerock':12 'ripped':1,2 'trio':5
                                    'search_combo'  '128kbit':21,23 '16':16,17 'aac':22,24 'al':7B 'ben':2A,20 'big':1A,19 'bossa':31 'channel':13C 'claire':4B 'exotica':30 'jazz':27 'jb':26 'kaye':8B 'lounge':28 'naps':11C 'office':10C 'or':29 'prerock':25 'ripped':14,15 'shirley':3B 'the':6B 'trio':9B,18 'with':5B 'youtube':12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538966.2407138  (2021-05-09 07:42:46)
                             'size'  2342846