======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '399'
                                          'artist'  'John Legend'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "All Of Me (Terry Hunter Chosen Few Dj's Club 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-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['rnb', 'singer songwriter', 'hip hop', 'soul', 'neo soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '125.9'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '125.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         "All Of Me (Terry Hunter Chosen Few Dj's Club Mix) "
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'John Legend'
'TRCK' (Track number/Position in set)               '0'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf55.37.102'
'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:TYER'                                         '0'
'TXXX:lastfmtags'                                   ['rnb', 'singer songwriter', 'hip hop', 'soul', 'neo soul']
'TXXX:q-bass'                                       '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.614393'

========================== row from database ==========================
                                              'id'  1498270
                                            'path'  /data/Music/Bulk/00poprockelectronic/deep house/John Legend - All Of Me (Terry Hunter Chosen Few Dj_s Club Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  399
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  15999635
                                           'mtime'  1621085297
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic deep house Dj_s electronic th techno minimal or deephouse
                                      'tag_artist'  John Legend
                                     'tag_release'  None
                                       'tag_title'  All Of Me (Terry Hunter Chosen Few Dj's Club Mix) 
                                             'bpm'  125.9
                                    'search_title'  'all':1 'chosen':7 'club':12 'dj':9 'djs':11 'few':8 'hunter':6 'me':3 'mix':13,14 'of':2 's':10 'terry':4,5
                                   'search_artist'  'john':1 'legend':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'deep':2 'deephouse':11 'dj':4 'electronic':6 'house':3 'minimal':9 'or':10 's':5 'techno':8 'th':7
                                    'search_combo'  '00poprockelectronic':17 'all':1A 'chosen':7A 'club':12A 'deep':18 'deephouse':27 'dj':9A,20 'djs':11A 'electronic':22 'few':8A 'house':19 'hunter':6A 'john':15B 'legend':16B 'me':3A 'minimal':25 'mix':13A,14A 'of':2A 'or':26 's':10A,21 'techno':24 'terry':4A,5A 'th':23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           '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-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'singer songwriter', 'hip hop', 'soul', 'neo soul']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085297.2303813  (2021-05-15 15:28:17)
                             'size'  15999635