======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '684'
                                          'artist'  'Brother From Another Planet '
                                     'text_people'  ''
                                         'release'  'techo 90s'
                                           'title'  'Planet Earth '
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['techno', 'electronic', 'detroit techno', 'referenz lounge district']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '133.756'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'techo 90s'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Planet Earth '
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brother From Another Planet '
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Description'                                  '(groove opens up) The ultimate in audio distortion'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['techno', 'electronic', 'detroit techno', 'referenz lounge district']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.42 dB'
'TXXX:replaygain_track_peak'                        '0.661404'

========================== row from database ==========================
                                              'id'  1338210
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Techno 90s/Brother From Another Planet - Planet Earth (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  684
                                           'genre'  electronic-unsorted
                                        'filesize'  27378871
                                           'mtime'  1620563329
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop Techno (Original Mix) electronic unsorted
                                      'tag_artist'  Brother From Another Planet 
                                     'tag_release'  techo 90s
                                       'tag_title'  Planet Earth 
                                             'bpm'  133.756
                                    'search_title'  'earth':2 'planet':1
                                   'search_artist'  'another':3 'brother':1 'from':2 'planet':4
                                  'search_release'  '90s':2 'techo':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electronic':10 'electropop':3 'mix':8,9 'original':6,7 'synthpop':4 'techno':5 'unsorted':11
                                    'search_combo'  '00electro':10 '00poprockelectronic':9 '90s':8C 'another':5B 'brother':3B 'earth':2A 'electronic':18 'electropop':11 'from':4B 'mix':16,17 'original':14,15 'planet':1A,6B 'synthpop':12 'techno':13 'techo':7C 'unsorted':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', '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-3', 'q-chart-2', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'electronic', 'detroit techno', 'referenz lounge district']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620563328.6147604  (2021-05-09 14:28:48)
                             'size'  27378871