======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '397'
                                          'artist'  'Recoil'
                                     'text_people'  ''
                                         'release'  'Unsound Methods'
                                           'title'  'Drifting'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dark', 'trip hop', 'ambient', 'electronic', 'labores somnium']"
                                     'discogstags'  ("['electronic', 'illbient', 'downtempo', 'trip hop', 'experimental', 'spoken "
 "word']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '143.925'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unsound Methods'
'TBPM' (BPM (beats per minute))                     '143.925'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Drifting'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Recoil'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'illbient',
 'downtempo',
 'trip hop',
 'experimental',
 'spoken word']
'TXXX:lastfmtags'                                   ['dark', 'trip hop', 'ambient', 'electronic', 'labores somnium']
'TXXX:original release date'                        ['1997', '1997']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.30 dB'
'TXXX:replaygain_track_peak'                        '0.392119'

========================== row from database ==========================
                                              'id'  157092
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Recoil/Recoil - Drifting.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  397
                                           'genre'  electronic
                                        'filesize'  7947758
                                           'mtime'  1636912670
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic
                                      'tag_artist'  Recoil
                                     'tag_release'  Unsound Methods
                                       'tag_title'  Drifting
                                             'bpm'  143.925
                                    'search_title'  'drifting':1
                                   'search_artist'  'recoil':1
                                  'search_release'  'methods':2 'unsound':1
                                     'search_rest'  'electronic':1
                                    'search_combo'  'drifting':1A 'electronic':5 'methods':4C 'recoil':2B 'unsound':3C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dark', 'trip hop', 'ambient', 'electronic', 'labores somnium']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'illbient', 'downtempo', 'trip hop', 'experimental', 'spoken word']

============================== file details ==============================
                                           'mtime'  1636912669.9451253  (2021-11-14 18:57:49)
                             'size'  7947758