======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '272'
                                          'artist'  'Maladroit'
                                     'text_people'  ''
                                         'release'  'Cthulu Dildonomicon'
                                           'title'  'Ia! Ia! Cthulhu Ftaghn'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'mashup', 'hardcore', 'breakcore', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '23'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '102.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cthulu Dildonomicon'
'TBPM' (BPM (beats per minute))                     '102.2'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Ia! Ia! Cthulhu Ftaghn'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Maladroit'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '2/23'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'mashup', 'hardcore', 'breakcore', 'experimental']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.52 dB'
'TXXX:replaygain_track_peak'                        '0.610261'

========================== row from database ==========================
                                              'id'  1375175
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Rawclaw - dvr009 - various artists - cthulu dildonomicon/02 - Maladroit - Ia! Ia! Cthulhu Ftaghn.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  272
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  4368256
                                           'mtime'  1622801177
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Rawclaw dvr009 various artists cthulu dildonomicon 02 electronic experimental oddness
                                      'tag_artist'  Maladroit
                                     'tag_release'  Cthulu Dildonomicon
                                       'tag_title'  Ia! Ia! Cthulhu Ftaghn
                                             'bpm'  102.2
                                    'search_title'  'cthulhu':2 'ftaghn':3 'ia':1
                                   'search_artist'  'maladroit':1
                                  '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':10 'cthulhu':2A 'cthulu':5C,11 'dildonomicon':6C,12 'dvr009':8 'electronic':13 'experimental':14 'ftaghn':3A 'ia':1A 'maladroit':4B 'oddness':15 'rawclaw':7 'various':9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'mashup', 'hardcore', 'breakcore', 'experimental']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1622801177.3630426  (2021-06-04 12:06:17)
                             'size'  4368256