======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '126'
                                          'artist'  'Idiot Lust'
                                     'text_people'  ''
                                         'release'  'Cthulu Dildonomicon'
                                           'title'  'No Mortal Staircase'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['mashup', 'anal', 'digital vomit', 'breakcore', 'mashcore']"
                                     'discogstags'  "['power electronics', 'electronic', 'breakcore', 'noise']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '23'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '125.0'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cthulu Dildonomicon'
'TBPM' (BPM (beats per minute))                     '125.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'No Mortal Staircase'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Idiot Lust'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1/23'
'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:discogstags'                                  ['power electronics', 'electronic', 'breakcore', 'noise']
'TXXX:lastfmtags'                                   ['mashup', 'anal', 'digital vomit', 'breakcore', 'mashcore']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.22 dB'
'TXXX:replaygain_track_peak'                        '0.353657'

========================== row from database ==========================
                                              'id'  1381040
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Rawclaw - dvr009 - various artists - cthulu dildonomicon/01 - Idiot Lust - No Mortal Staircase.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  126
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  2025354
                                           'mtime'  1622801177
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Rawclaw dvr009 various artists cthulu dildonomicon 01 electronic experimental oddness
                                      'tag_artist'  Idiot Lust
                                     'tag_release'  Cthulu Dildonomicon
                                       'tag_title'  No Mortal Staircase
                                             'bpm'  125.0
                                    'search_title'  'mortal':2 'no':1 'staircase':3
                                   'search_artist'  'idiot':1 'lust':2
                                  'search_release'  'cthulu':1 'dildonomicon':2
                                     'search_rest'  'artists':4 'cthulu':5 'dildonomicon':6 'dvr009':2 'electronic':7 'experimental':8 'oddness':9 'rawclaw':1 'various':3
                                    'search_combo'  'artists':11 'cthulu':6C,12 'dildonomicon':7C,13 'dvr009':9 'electronic':14 'experimental':15 'idiot':4B 'lust':5B 'mortal':2A 'no':1A 'oddness':16 'rawclaw':8 'staircase':3A 'various':10
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['mashup', 'anal', 'digital vomit', 'breakcore', 'mashcore']
                                        'tag_date'  2006
                                     'discogstags'  ['power electronics', 'electronic', 'breakcore', 'noise']

============================== file details ==============================
                                           'mtime'  1622801177.3254137  (2021-06-04 12:06:17)
                             'size'  2025354