======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '207'
                                          'artist'  'The Jug Heads'
                                     'text_people'  ''
                                         'release'  'Hi-Fi Sounds for Hounds'
                                           'title'  'Clarinet Polka - Skaters Waltz - Daisey'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '115.987'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hi-Fi Sounds for Hounds'
'TBPM' (BPM (beats per minute))                     '115.987'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1957'
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Clarinet Polka - Skaters Waltz - Daisey'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jug Heads'
'TPE2' (Band/orchestra/accompaniment)               'The Jug Heads'
'TRCK' (Track number/Position in set)               '05'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.84 dB'
'TXXX:replaygain_track_peak'                        '0.501676'

========================== row from database ==========================
                                              'id'  759905
                                            'path'  /data/Music/Bulk/0nonmusic/Hi-Fi Sounds for Hounds (San Francisco Records, 1957) [320k]/05 The Jug Heads - Clarinet Polka ~ Skaters Walts ~ Daisey.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  207
                                           'genre'  electronic-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  8316510
                                           'mtime'  1620355935
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic (San Francisco Records, 1957) [320k] 05 ~ Walts ~ electronic unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  The Jug Heads
                                     'tag_release'  Hi-Fi Sounds for Hounds
                                       'tag_title'  Clarinet Polka - Skaters Waltz - Daisey
                                             'bpm'  115.987
                                    'search_title'  'clarinet':1 'daisey':5 'polka':2 'skaters':3 'waltz':4
                                   'search_artist'  'heads':3 'jug':2 'the':1
                                  'search_release'  'fi':2 'for':5 'hi':1 'hifi':3 'hounds':6 'sounds':4
                                     'search_rest'  '0nonmusic':1 '1957':7,8 '320k':9,10 'electronic':12 'francisco':4 'mor':22 'pl':17 'records':5,6 'san':2,3 'set':14,16,19,21 'shirleyspinoza':18,20 'unsorted':13,15 'walts':11
                                    'search_combo'  '0nonmusic':15 '1957':21,22 '320k':23,24 'clarinet':1A 'daisey':5A 'electronic':26 'fi':10C 'for':13C 'francisco':18 'heads':8B 'hi':9C 'hifi':11C 'hounds':14C 'jug':7B 'mor':36 'pl':31 'polka':2A 'records':19,20 'san':16,17 'set':28,30,33,35 'shirleyspinoza':32,34 'skaters':3A 'sounds':12C 'the':6B 'unsorted':27,29 'walts':25 'waltz':4A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620355934.9261625  (2021-05-07 04:52:14)
                             'size'  8316510