======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '359'
                                          'artist'  'Julian Winding'
                                     'text_people'  ''
                                         'release'  'Powder Room EP'
                                           'title'  'The Demon Dance (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
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 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['german', 'house', 'techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '112.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Powder Room EP'
'TBPM' (BPM (beats per minute))                     '112.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'The Demon Dance (Original Mix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Julian Winding'
'TPE2' (Band/orchestra/accompaniment)               'Julian Winding'
'TPUB' (Publisher)                                  'Milan'
'TRCK' (Track number/Position in set)               '5'
'TXXX:MusicBrainz Disc Id'                          'usicBrainz Disc Id'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'house', 'techno', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.91 dB'
'TXXX:replaygain_track_peak'                        '0.468478'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'www.groovytunes.org')

========================== row from database ==========================
                                              'id'  1314378
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/julian winding - powder room ep/05 - The Demon Dance (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  359
                                           'genre'  electronic-th-techno
                                        'filesize'  14417158
                                           'mtime'  1620564481
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats julian winding powder room ep 05 electronic th techno
                                      'tag_artist'  Julian Winding
                                     'tag_release'  Powder Room EP
                                       'tag_title'  The Demon Dance (Original Mix)
                                             'bpm'  112.9
                                    'search_title'  'dance':3 'demon':2 'mix':6,7 'original':4,5 'the':1
                                   'search_artist'  'julian':1 'winding':2
                                  'search_release'  'ep':3 'powder':1 'room':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':11 'ep':10 'harder':4 'house':3 'julian':6 'powder':8 'room':9 'techno':13 'th':12 'winding':7
                                    'search_combo'  '00poprockelectronic':13 '00techno':14 'beats':17 'dance':3A 'demon':2A 'electronic':23 'ep':12C,22 'harder':16 'house':15 'julian':8B,18 'mix':6A,7A 'original':4A,5A 'powder':10C,20 'room':11C,21 'techno':25 'th':24 'the':1A 'winding':9B,19
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', '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-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['german', 'house', 'techno', 'electronic']
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620564481.0063894  (2021-05-09 14:48:01)
                             'size'  14417158