======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '172'
                                          'artist'  'Niccokick'
                                     'text_people'  ''
                                         'release'  'Best of Niccokick (Demo)'
                                           'title'  "Lost Souls Play R'n'R"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'indie', 'alternative rock', 'indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '127.846'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best of Niccokick (Demo)'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "Lost Souls Play R'n'R"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Niccokick'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['swedish', 'indie', 'alternative rock', 'indie rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.445066'

========================== row from database ==========================
                                              'id'  1522296
                                            'path'  /data/Music/Bulk/00poprockelectronic/swedish rock/Niccokick - Lost Souls Play R_n_rRe1.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  172
                                           'genre'  rock-pop
                                        'filesize'  2768768
                                           'mtime'  1620392802
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic swedish rock R_n_rRe1 rock pop
                                      'tag_artist'  Niccokick
                                     'tag_release'  Best of Niccokick (Demo)
                                       'tag_title'  Lost Souls Play R'n'R
                                             'bpm'  127.846
                                    'search_title'  'lost':1 'n':5 'play':3 'r':4,6 'rnr':7 'souls':2
                                   'search_artist'  'niccokick':1
                                  'search_release'  'best':1 'demo':4,5 'niccokick':3 'of':2
                                     'search_rest'  '00poprockelectronic':1 'n':5,9 'pop':7 'r':4,8,10 're1':11 'rock':3 'rre1':6 'swedish':2
                                    'search_combo'  '00poprockelectronic':14 'best':9C 'demo':12C,13C 'lost':1A 'n':5A,18,22 'niccokick':8B,11C 'of':10C 'play':3A 'pop':20 'r':4A,6A,17,21,23 're1':24 'rnr':7A 'rock':16 'rre1':19 'souls':2A 'swedish':15
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'indie', 'alternative rock', 'indie rock', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392802.3987134  (2021-05-07 15:06:42)
                             'size'  2768768