======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '296'
                                          'artist'  'Anodyne'
                                     'text_people'  ''
                                         'release'  'Bleep: 100 Tracks / 2010'
                                           'title'  '707 (Lackluster Foiled Again Remix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['mathcore', 'techno', 'idm', 'sludge', 'metalcore', 'hardcore']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '100'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '143.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bleep: 100 Tracks / 2010'
'TBPM' (BPM (beats per minute))                     '143.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         '707 (Lackluster Foiled Again Remix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Anodyne'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3/100'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:TYPE'                                         'Album'
'TXXX:lastfmtags'                                   ['mathcore', 'techno', 'idm', 'sludge', 'metalcore', 'hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.521485'

========================== row from database ==========================
                                              'id'  1378890
                                            'path'  /data/Music/Bulk/00poprockelectronic/Velour - Bleep- 100 Tracks - 2010 (2011)/003 Anodyne - 707 (Lackluster Foiled Again Remix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  296
                                           'genre'  electronic-th-techno
                                        'filesize'  11871320
                                           'mtime'  1620573342
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Velour (2011) 003 electronic th techno
                                      'tag_artist'  Anodyne
                                     'tag_release'  Bleep: 100 Tracks / 2010
                                       'tag_title'  707 (Lackluster Foiled Again Remix)
                                             'bpm'  143.9
                                    'search_title'  '707':1 'again':5 'foiled':4 'lackluster':2,3 'remix':6,7
                                   'search_artist'  'anodyne':1
                                  'search_release'  '100':3 '2010':5 'bleep':1,2 'tracks':4
                                     'search_rest'  '00poprockelectronic':1 '2011':3,4 'electronic':5 'techno':7 'th':6 'velour':2
                                    'search_combo'  '00poprockelectronic':14 '100':11C '2010':13C '2011':16,17 '707':1A 'again':5A 'anodyne':8B 'bleep':9C,10C 'electronic':18 'foiled':4A 'lackluster':2A,3A 'remix':6A,7A 'techno':20 'th':19 'tracks':12C 'velour':15
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['mathcore', 'techno', 'idm', 'sludge', 'metalcore', 'hardcore']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573341.827746  (2021-05-09 17:15:41)
                             'size'  11871320