======================== unified (from filesystem) ========================
                                         'bitrate'  '207.784'
                                        'duration'  '76'
                                          'artist'  'Alpinist'
                                     'text_people'  ''
                                         'release'  'Minus.Mensch'
                                           'title'  '2te Klasse Bahnabteil'
                                           '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'  '5'
                                      'tracktotal'  '11'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust'
                                             'bpm'  '141.413'
                                             'key'  '10A'
                                        'acoustid'  'a3d15be7-add1-46f9-b6ad-ae68df3cbafe'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Minus.Mensch'
'TBPM' (BPM (beats per minute))                     '141.413'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-crust'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         '2te Klasse Bahnabteil'
'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)               '5/11'
'TSO2'                                              'Alpinist'
'TSOP' (Performer sort order)                       'Alpinist'
'TXXX:Acoustid Id'                                  'a3d15be7-add1-46f9-b6ad-ae68df3cbafe'
'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'                         'cffc0515-c595-49c6-ae6a-4317b8f4775f'
'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'                        '-2.09 dB'
'TXXX:replaygain_track_peak'                        '0.342007'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1391795
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Alpinist - Lichtlærm/15 2te Klasse Bahnabteil.mp3
                                         'working'  None
                                         'bitrate'  207
                                    'duration_sec'  76
                                           'genre'  eid-metal-crust
                                        'filesize'  1985827
                                           'mtime'  1620310442
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Lichtlærm 15 eid metal crust
                                      'tag_artist'  Alpinist
                                     'tag_release'  Minus.Mensch
                                       'tag_title'  2te Klasse Bahnabteil
                                             'bpm'  141.413
                                    'search_title'  '2te':1 'bahnabteil':3 'klasse':2
                                   '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':8 '00metal':9 '2te':1A 'alpinist':4B 'bahnabteil':3A 'crust':14 'eid':12 'klasse':2A 'lichtlaerm':11 'lichtlærm':10 'mensch':6C 'metal':13 'minus':5C 'minusmensch':7C
                                    'tag_tracknum'  5
                                      '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'  1620310442.2040703  (2021-05-06 16:14:02)
                             'size'  1985827