======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '123'
                                          'artist'  'The Wirtschaftswunder'
                                     'text_people'  ''
                                         'release'  'The Wirtschaftswunder'
                                           'title'  'Mutter und Vater'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'new wave', 'avant garde', 'electronic', 'ndw']"
                                     'discogstags'  "['electronic', 'synth-pop', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '15'
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '145.2'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Wirtschaftswunder'
'TBPM' (BPM (beats per minute))                     '145.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'Mutter und Vater'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Wirtschaftswunder'
'TPUB' (Publisher)                                  'Polydor'
'TRCK' (Track number/Position in set)               '1/15'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame3.92'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'synth-pop', 'experimental']
'TXXX:lastfmtags'                                   ['german', 'new wave', 'avant garde', 'electronic', 'ndw']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.561428'

========================== row from database ==========================
                                              'id'  1375333
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/The Wirtschaftswunder - The Wirtschaftswunder (1982)/01_mutter_&_vater.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  123
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  2939198
                                           'mtime'  1620607516
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk (1982) 01_mutter_&_vater electronic we new wave or post punk
                                      'tag_artist'  The Wirtschaftswunder
                                     'tag_release'  The Wirtschaftswunder
                                       'tag_title'  Mutter und Vater
                                             'bpm'  145.2
                                    'search_title'  'mutter':1 'und':2 'vater':3
                                   'search_artist'  'the':1 'wirtschaftswunder':2
                                  'search_release'  'the':1 'wirtschaftswunder':2
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '01':8,11 '1982':6,7 'disco':3 'electronic':14 'mutter':9,12 'new':16 'or':18 'post':19 'postpunk':5 'punk':20 'vater':10,13 'wave':17 'waves':2 'we':15
                                    'search_combo'  '00newwave':11 '00poprockelectronic':8 '01':15,18 '1982':13,14 'disco':10 'electronic':21 'mutter':1A,16,19 'new':23 'or':25 'post':26 'postpunk':12 'punk':27 'the':4B,6C 'und':2A 'vater':3A,17,20 'wave':24 'waves':9 'we':22 'wirtschaftswunder':5B,7C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['german', 'new wave', 'avant garde', 'electronic', 'ndw']
                                        'tag_date'  1982
                                     'discogstags'  ['electronic', 'synth-pop', 'experimental']

============================== file details ==============================
                                           'mtime'  1620607516.3016565  (2021-05-10 02:45:16)
                             'size'  2939198