======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'Alex Adair'
                                     'text_people'  ''
                                         'release'  'Spinnin Deep (Spinnin)'
                                           'title'  'Make Me Feel Better (Club Edit)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-4', "
 "'q-other-3', 'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['electronic', 'house', 'deep house', 'british', 'united kingdom']"
                                     'discogstags'  "['house', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '119.0'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Spinnin Deep (Spinnin)'
'TBPM' (BPM (beats per minute))                     '119.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Make Me Feel Better (Club Edit)'
'TKEY' (Initial key)                                '5A'
'TOAL' (Original album/movie/show title)            'Make Me Feel Better'
'TPE1' (Lead performer(s)/Soloist(s))               'Alex Adair'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['house', 'electronic']
'TXXX:lastfmtags'                                   ['electronic', 'house', 'deep house', 'british', 'united kingdom']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.97 dB'
'TXXX:replaygain_track_peak'                        '0.369543'

========================== row from database ==========================
                                              'id'  1343020
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Alex Rouk - Deep House 01/Alex Adair - Make Me Feel Better (Club Edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  11696980
                                           'mtime'  1621085120
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats Rouk House 01 electronic th techno minimal or deephouse
                                      'tag_artist'  Alex Adair
                                     'tag_release'  Spinnin Deep (Spinnin)
                                       'tag_title'  Make Me Feel Better (Club Edit)
                                             'bpm'  119.0
                                    'search_title'  'better':4 'club':5,6 'edit':7,8 'feel':3 'make':1 'me':2
                                   'search_artist'  'adair':2 'alex':1
                                  'search_release'  'deep':2 'spinnin':1,3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'deephouse':12 'electronic':7 'harder':4 'house':3 'minimal':10 'or':11 'rouk':6 'techno':9 'th':8
                                    'search_combo'  '00poprockelectronic':14 '00techno':15 'adair':10B 'alex':9B 'beats':18 'better':4A 'club':5A,6A 'deep':12C 'deephouse':25 'edit':7A,8A 'electronic':20 'feel':3A 'harder':17 'house':16 'make':1A 'me':2A 'minimal':23 'or':24 'rouk':19 'spinnin':11C,13C 'techno':22 'th':21
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'house', 'deep house', 'british', 'united kingdom']
                                        'tag_date'  2015
                                     'discogstags'  ['house', 'electronic']

============================== file details ==============================
                                           'mtime'  1621085120.1766737  (2021-05-15 15:25:20)
                             'size'  11696980