======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'The Avalanches'
                                     'text_people'  ''
                                         'release'  'Since I Left You'
                                           'title'  'Tonight May Have To Last Me All My Life'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-1', 'q-other-4', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'turntablism', 'australian', 'electronic', 'dance']"
                                     'discogstags'  "['electronic', 'abstract', 'downtempo', 'breaks']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '108.355'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Since I Left You'
'TBPM' (BPM (beats per minute))                     '108.355'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Tonight May Have To Last Me All My Life'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Avalanches'
'TRCK' (Track number/Position in set)               '11'
'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'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'abstract', 'downtempo', 'breaks']
'TXXX:lastfmtags'                                   ['electronica', 'turntablism', 'australian', 'electronic', 'dance']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.31 dB'
'TXXX:replaygain_track_peak'                        '0.490036'

========================== row from database ==========================
                                              'id'  1355331
                                            'path'  /data/Music/Bulk/00poprockelectronic/Avalanches/Avalanches - Since I Left You/The Avalanches - 11 - Tonight May Have To Last Me All My Life.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3357414
                                           'mtime'  1620540774
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 11 prerock jb jazz lounge or exotica or bossa
                                      'tag_artist'  The Avalanches
                                     'tag_release'  Since I Left You
                                       'tag_title'  Tonight May Have To Last Me All My Life
                                             'bpm'  108.355
                                    'search_title'  'all':7 'have':3 'last':5 'life':9 'may':2 'me':6 'my':8 'to':4 'tonight':1
                                   'search_artist'  'avalanches':2 'the':1
                                  'search_release'  'i':2 'left':3 'since':1 'you':4
                                     'search_rest'  '00poprockelectronic':1 'bossa':8 'exotica':7 'jazz':4 'jb':3 'lounge':5 'or':6 'prerock':2
                                    'search_combo'  '00poprockelectronic':16 'all':7A 'avalanches':11B 'bossa':23 'exotica':22 'have':3A 'i':13C 'jazz':19 'jb':18 'last':5A 'left':14C 'life':9A 'lounge':20 'may':2A 'me':6A 'my':8A 'or':21 'prerock':17 'since':12C 'the':10B 'to':4A 'tonight':1A 'you':15C
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electronica', 'turntablism', 'australian', 'electronic', 'dance']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'abstract', 'downtempo', 'breaks']

============================== file details ==============================
                                           'mtime'  1620540773.8530607  (2021-05-09 08:12:53)
                             'size'  3357414