======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '352'
                                          'artist'  'CDPM'
                                     'text_people'  ''
                                         'release'  'Best NYC Deep House'
                                           'title'  'Kalas (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '25'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '124.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best NYC Deep House'
'TBPM' (BPM (beats per minute))                     '124.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Kalas (Original Mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'CDPM'
'TRCK' (Track number/Position in set)               '1/25'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.18 dB'
'TXXX:replaygain_track_peak'                        '0.450565'

========================== row from database ==========================
                                              'id'  1336612
                                            'path'  /data/Music/Bulk/00poprockelectronic/deep house/01-cdpm-kalas_(original_mix)-f8ae98d2.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  352
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  14094336
                                           'mtime'  1621085284
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic deep house 01 cdpm kalas_(original_mix) f8ae98d2 electronic th techno minimal or deephouse
                                      'tag_artist'  CDPM
                                     'tag_release'  Best NYC Deep House
                                       'tag_title'  Kalas (Original Mix)
                                             'bpm'  124.0
                                    'search_title'  'kalas':1 'mix':4,5 'original':2,3
                                   'search_artist'  'cdpm':1
                                  'search_release'  'best':1 'deep':3 'house':4 'nyc':2
                                     'search_rest'  '00poprockelectronic':1 'cdpm':4 'deep':2 'deephouse':17 'electronic':12 'f8ae98d2':11 'house':3 'kalas':5,8 'minimal':15 'mix':7,10 'or':16 'original':6,9 'techno':14 'th':13
                                    'search_combo'  '00poprockelectronic':11 'best':7C 'cdpm':6B,14 'deep':9C,12 'deephouse':27 'electronic':22 'f8ae98d2':21 'house':10C,13 'kalas':1A,15,18 'minimal':25 'mix':4A,5A,17,20 'nyc':8C 'or':26 'original':2A,3A,16,19 'techno':24 'th':23
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085284.409082  (2021-05-15 15:28:04)
                             'size'  14094336