======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '100'
                                          'artist'  'The Royaltones'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Tacos'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'rock and roll', 'twist', 'doo wop', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '122.289'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '122.289'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Tacos'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Royaltones'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'rock and roll', 'twist', 'doo wop', 'rhythm and blues']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.320289'

========================== row from database ==========================
                                              'id'  768967
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/The Royaltones - Tacos (Goldisc, 1961; wr. G. Popoff, M. Popoff & G. Katsakis; pr. George Goldner).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  100
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  1213611
                                           'mtime'  1620537347
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] (Goldisc, 1961; wr. G. Popoff, M. Popoff & G. Katsakis; pr. George Goldner) prerock jb jazz unsorted
                                      'tag_artist'  The Royaltones
                                     'tag_release'  None
                                       'tag_title'  Tacos
                                             'bpm'  122.289
                                    'search_title'  'tacos':1
                                   'search_artist'  'royaltones':2 'the':1
                                  'search_release'  
                                     'search_rest'  '1961':12,13 'baby':8,9 'chow':6,7 'country':4 'exotica':2 'g':16,17 'george':26 'goldisc':10,11 'goldner':27,28 'jazz':1 'jb':30 'katsakis':22,23 'm':20,21 'oldies':3 'popoff':18,19 'pr':24,25 'prerock':29 'unsorted':31 'wr':14,15 'zimelis':5
                                    'search_combo'  '1961':15,16 'baby':11,12 'chow':9,10 'country':7 'exotica':5 'g':19,20 'george':29 'goldisc':13,14 'goldner':30,31 'jazz':4 'jb':33 'katsakis':25,26 'm':23,24 'oldies':6 'popoff':21,22 'pr':27,28 'prerock':32 'royaltones':3B 'tacos':1A 'the':2B 'unsorted':34 'wr':17,18 'zimelis':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['surf', 'rock and roll', 'twist', 'doo wop', 'rhythm and blues']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537346.7614706  (2021-05-09 07:15:46)
                             'size'  1213611