======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '346'
                                          'artist'  'Chaka Kenn & Tom Gianelli'
                                     'text_people'  ''
                                         'release'  'Bargrooves: Ibiza (2015)'
                                           'title'  'Black Wood (Original Mix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.01'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bargrooves: Ibiza (2015)'
'TBPM' (BPM (beats per minute))                     '120.01'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Black Wood (Original Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chaka Kenn & Tom Gianelli'
'TXXX:CATALOGNUMBER'                                '8180070983'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Released & Shared by'                         'jUNI'
'TXXX:q-bass'                                       '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.16 dB'
'TXXX:replaygain_track_peak'                        '0.548759'

========================== row from database ==========================
                                              'id'  1338853
                                            'path'  /data/Music/Bulk/00poprockelectronic/Marvin & Guy - 2015-2016/Chaka Kenn & Tom Gianelli - Black Wood (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  346
                                           'genre'  electronic-unsorted
                                        'filesize'  11165404
                                           'mtime'  1620570954
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Marvin Guy 2016 electronic unsorted
                                      'tag_artist'  Chaka Kenn & Tom Gianelli
                                     'tag_release'  Bargrooves: Ibiza (2015)
                                       'tag_title'  Black Wood (Original Mix)
                                             'bpm'  120.01
                                    'search_title'  'black':1 'mix':5,6 'original':3,4 'wood':2
                                   'search_artist'  'chaka':1 'gianelli':4 'kenn':2 'tom':3
                                  'search_release'  '2015':4,5 'bargrooves':1,2 'ibiza':3
                                     'search_rest'  '00poprockelectronic':1 '2016':4 'electronic':5 'guy':3 'marvin':2 'unsorted':6
                                    'search_combo'  '00poprockelectronic':16 '2015':14C,15C '2016':19 'bargrooves':11C,12C 'black':1A 'chaka':7B 'electronic':20 'gianelli':10B 'guy':18 'ibiza':13C 'kenn':8B 'marvin':17 'mix':5A,6A 'original':3A,4A 'tom':9B 'unsorted':21 'wood':2A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620570954.1201515  (2021-05-09 16:35:54)
                             'size'  11165404