======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '224'
                                          'artist'  'Blümchen'
                                     'text_people'  ''
                                         'release'  'Live in Berlin'
                                           'title'  "Unter'm Weihnachtsbaum"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['german', 'eurodance', 'dance', 'techno', 'happy hardcore']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '18'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-happy hardcore'
                                             'bpm'  '87.977'
                                             'key'  '9B'
                                        'acoustid'  '6ca9e880-300a-4b66-86f0-ebeb3007bec1'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Live in Berlin'
'TBPM' (BPM (beats per minute))                     '87.977'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-happy hardcore'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Unter'm Weihnachtsbaum"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Blümchen'
'TPE2' (Band/orchestra/accompaniment)               'Blümchen'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '18/18'
'TSO2'                                              'Blümchen'
'TSOP' (Performer sort order)                       'Blümchen'
'TXXX:ASIN'                                         'B000031XCD'
'TXXX:Acoustid Id'                                  '6ca9e880-300a-4b66-86f0-ebeb3007bec1'
'TXXX:MusicBrainz Album Artist Id'                  'c31500d6-4ad1-4850-a004-7d9a2c2492d6'
'TXXX:MusicBrainz Album Id'                         'f23b553b-952a-4864-a2bb-f0548de287bc'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'live'
'TXXX:MusicBrainz Artist Id'                        'c31500d6-4ad1-4850-a004-7d9a2c2492d6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['german', 'eurodance', 'dance', 'techno', 'happy hardcore']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.70 dB'
'TXXX:replaygain_track_peak'                        '0.449657'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'890283a8-e68d-4194-a45c-1ef55b0447ff')

========================== row from database ==========================
                                              'id'  1497597
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Blumchen/04. Blumchen - Live in Berlin (Limited Edition) (1999)/18. Unter_m Weihnachtsbaum.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  224
                                           'genre'  electronic-th-ent-happy hardcore
                                        'filesize'  8998628
                                           'mtime'  1620563593
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Blumchen 04. Blumchen (Limited Edition) (1999) 18. Unter_m electronic th ent happy hardcore
                                      'tag_artist'  Blümchen
                                     'tag_release'  Live in Berlin
                                       'tag_title'  Unter'm Weihnachtsbaum
                                             'bpm'  87.977
                                    'search_title'  'm':2 'unter':1 'unterm':3 'weihnachtsbaum':4
                                   'search_artist'  'blumchen':1,2
                                  'search_release'  'berlin':3 'in':2 'live':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '04':7,8 '18':15,16 '1999':13,14 'beats':5 'blumchen':6 'edition':11,12 'electronic':19 'ent':21 'happy':22 'hardcore':23 'harder':4 'house':3 'limited':9,10 'm':18 'th':20 'unter':17
                                    'search_combo'  '00poprockelectronic':10 '00techno':11 '04':16,17 '18':24,25 '1999':22,23 'beats':14 'berlin':9C 'blumchen':5B,6B,15 'edition':20,21 'electronic':28 'ent':30 'happy':31 'hardcore':32 'harder':13 'house':12 'in':8C 'limited':18,19 'live':7C 'm':2A,27 'th':29 'unter':1A,26 'unterm':3A 'weihnachtsbaum':4A
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'eurodance', 'dance', 'techno', 'happy hardcore']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620563593.4324589  (2021-05-09 14:33:13)
                             'size'  8998628