======================== unified (from filesystem) ========================
                                         'bitrate'  '208.526'
                                        'duration'  '120'
                                          'artist'  'Alpinist'
                                     'text_people'  ''
                                         'release'  'Minus.Mensch'
                                           'title'  'Schalterhygiene'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-4', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['screamo', 'hardcore', 'neocrust', 'crust', 'dark hardcore']"
                                     'discogstags'  "['hardcore', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '11'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '143.112'
                                             'key'  '10A'
                                        'acoustid'  '241969f3-9cb0-45ef-af17-ab0302783604'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Minus.Mensch'
'TBPM' (BPM (beats per minute))                     '143.112'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Schalterhygiene'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Alpinist'
'TPE2' (Band/orchestra/accompaniment)               'Alpinist'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '2/11'
'TSO2'                                              'Alpinist'
'TSOP' (Performer sort order)                       'Alpinist'
'TXXX:Acoustid Id'                                  '241969f3-9cb0-45ef-af17-ab0302783604'
'TXXX:Encoding Params'                              'vers'
'TXXX:MusicBrainz Album Artist Id'                  '8a60a9b8-6dc2-462c-b01a-4e908ae8d5b0'
'TXXX:MusicBrainz Album Id'                         '7cac7971-877a-4fef-9f33-e9196649f895'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8a60a9b8-6dc2-462c-b01a-4e908ae8d5b0'
'TXXX:MusicBrainz Release Group Id'                 'f06eefa5-6323-4154-86ce-4a076c2d37e3'
'TXXX:MusicBrainz Track Id'                         '2680e8e7-4d95-43c0-83b5-79ff6bd71b8a'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hardcore', 'rock']
'TXXX:lastfmtags'                                   ['screamo', 'hardcore', 'neocrust', 'crust', 'dark hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.93 dB'
'TXXX:replaygain_track_peak'                        '0.333535'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1397057
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Alpinist - Lichtlærm/12 Schalterhygiene.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  120
                                           'genre'  eid-metal-crust
                                        'filesize'  3147697
                                           'mtime'  1620310436
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Lichtlærm 12 eid metal crust
                                      'tag_artist'  Alpinist
                                     'tag_release'  Minus.Mensch
                                       'tag_title'  Schalterhygiene
                                             'bpm'  143.112
                                    'search_title'  'schalterhygiene':1
                                   'search_artist'  'alpinist':1
                                  'search_release'  'mensch':2 'minus':1 'minusmensch':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'crust':7 'eid':5 'lichtlaerm':4 'lichtlærm':3 'metal':6
                                    'search_combo'  '00dwimp':6 '00metal':7 'alpinist':2B 'crust':12 'eid':10 'lichtlaerm':9 'lichtlærm':8 'mensch':4C 'metal':11 'minus':3C 'minusmensch':5C 'schalterhygiene':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['screamo', 'hardcore', 'neocrust', 'crust', 'dark hardcore']
                                        'tag_date'  2009
                                     'discogstags'  ['hardcore', 'rock']

============================== file details ==============================
                                           'mtime'  1620310436.0542324  (2021-05-06 16:13:56)
                             'size'  3147697