======================== unified (from filesystem) ========================
                                         'bitrate'  '256.884'
                                        'duration'  '183'
                                          'artist'  'Twink'
                                     'text_people'  ''
                                         'release'  'Supercute!'
                                           'title'  'Thunderhead'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['instrumental', 'toy piano', 'psychedelic rock', 'experimental', "
 "'psychedelic']")
                                     'discogstags'  "['hard house', 'electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '87.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Supercute!'
'TBPM' (BPM (beats per minute))                     '87.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TIT2' (Title/songname/content description)         'Thunderhead'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Twink'
'TPE2' (Band/orchestra/accompaniment)               'Twink'
'TRCK' (Track number/Position in set)               '17'
'TXXX:DATE'                                         '2004'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hard house', 'electronic', 'euro house']
'TXXX:lastfmtags'                                   ['instrumental', 'toy piano', 'psychedelic rock', 'experimental', 'psychedelic']
'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'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.25 dB'
'TXXX:replaygain_track_peak'                        '0.497617'

========================== row from database ==========================
                                              'id'  919284
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/twink/twink - supercute!/17 - thunderhead.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  183
                                           'genre'  electronic-experimental
                                        'filesize'  5882433
                                           'mtime'  1636917386
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm twink twink supercute! 17 thunderhead electronic experimental
                                      'tag_artist'  Twink
                                     'tag_release'  Supercute!
                                       'tag_title'  Thunderhead
                                             'bpm'  87.0
                                    'search_title'  'thunderhead':1
                                   'search_artist'  'twink':1
                                  'search_release'  'supercute':1
                                     'search_rest'  'electronic':4 'experimental':5 'supercute':2 'thunderhead':3 'twink':1
                                    'search_combo'  'electronic':7 'experimental':8 'supercute':3C,5 'thunderhead':1A,6 'twink':2B,4
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'toy piano', 'psychedelic rock', 'experimental', 'psychedelic']
                                        'tag_date'  2004
                                     'discogstags'  ['hard house', 'electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1636917386.3137243  (2021-11-14 20:16:26)
                             'size'  5882433