======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '169'
                                          'artist'  'Jeff Beck'
                                     'text_people'  ''
                                         'release'  'Guitar Rock 1968-1969'
                                           'title'  "Beck's Bolero"
                                           'quals'  ("['Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['guitar', 'blues', 'rock', 'guitar virtuoso', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '136.092'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Guitar Rock 1968-1969'
'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         "Beck's Bolero"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jeff Beck'
'TPE2' (Band/orchestra/accompaniment)               'Jeff Beck'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'guitar virtuoso', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.405432'

========================== row from database ==========================
                                              'id'  1515319
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Jeff Beck - Beck_s Bolero - Guitar Rock 1968-1969.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  169
                                           'genre'  rock-cppex
                                        'filesize'  2715502
                                           'mtime'  1620737419
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Beck_s rock cppex
                                      'tag_artist'  Jeff Beck
                                     'tag_release'  Guitar Rock 1968-1969
                                       'tag_title'  Beck's Bolero
                                             'bpm'  136.092
                                    'search_title'  'beck':1 'becks':3 'bolero':4 's':2
                                   'search_artist'  'beck':2 'jeff':1
                                  'search_release'  '1968':3 '19681969':5 '1969':4 'guitar':1 'rock':2
                                     'search_rest'  '00poprockelectronic':1 'beck':7 'cppex':10 'files':5,6 'loose':3,4 'rock':9 's':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 '1968':9C '19681969':11C '1969':10C 'beck':1A,6B,18 'becks':3A 'bolero':4A 'cppex':21 'files':16,17 'guitar':7C 'jeff':5B 'loose':14,15 'rock':8C,20 's':2A,19 'unsorted':13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'guitar virtuoso', 'classic rock']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737418.9078093  (2021-05-11 14:50:18)
                             'size'  2715502