======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '162'
                                          'artist'  'The Fabulous Echoes'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Candy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['cantopop', 'canto-pop', 'j-pop', 'usa', 'j-rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '111.824'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '111.824'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Candy'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Fabulous Echoes'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cantopop', 'canto-pop', 'j-pop', 'usa', 'j-rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.336021'

========================== row from database ==========================
                                              'id'  736060
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/The Fabulous Echoes - Candy (Lib., 1965; wr. Gerry Robinson & Vic Millrose; arr. Dick Glasser & Leon Russell; pr. Dick Glasser).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  162
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  1950741
                                           'mtime'  1620538097
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Lib., 1965; wr. Gerry Robinson & Vic Millrose; arr. Dick Glasser & Leon Russell; pr. Dick Glasser) prerock jb jazz unsorted
                                      'tag_artist'  The Fabulous Echoes
                                     'tag_release'  None
                                       'tag_title'  Candy
                                             'bpm'  111.824
                                    'search_title'  'candy':1
                                   'search_artist'  'echoes':3 'fabulous':2 'the':1
                                  'search_release'  
                                     'search_rest'  '1965':8,9 'arr':17,18 'country':4 'dick':19 'exotica':2 'gerry':12 'glasser':20,26 'jazz':1 'jb':28 'leon':21 'lib':6,7 'millrose':15,16 'oldies':3 'pr':24,25 'prerock':27 'robinson':13 'russell':22,23 'sweets':5 'unsorted':29 'vic':14 'wr':10,11
                                    'search_combo'  '1965':12,13 'arr':21,22 'candy':1A 'country':8 'dick':23 'echoes':4B 'exotica':6 'fabulous':3B 'gerry':16 'glasser':24,30 'jazz':5 'jb':32 'leon':25 'lib':10,11 'millrose':19,20 'oldies':7 'pr':28,29 'prerock':31 'robinson':17 'russell':26,27 'sweets':9 'the':2B 'unsorted':33 'vic':18 'wr':14,15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['cantopop', 'canto-pop', 'j-pop', 'usa', 'j-rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620538096.758604  (2021-05-09 07:28:16)
                             'size'  1950741