======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Gibbs, Terry, Sextet'
                                     'text_people'  'Terry Gibbs/Shorty Rogers'
                                         'release'  'Brunswick single #80219'
                                           'title'  'Lollypop'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1952'
                                        'comments'  ''
                                           'genre'  'set-th-candy'
                                             'bpm'  '136.459'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{!\x00\x00'                      PRIV(owner='AverageLevel', data=b'{!\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Brunswick single #80219'
'TBPM' (BPM (beats per minute))                     '136.459'
'TCOM' (Composer)                                   'Terry Gibbs/Shorty Rogers'
'TCON' (Content type, a.k.a. Genre)                 'set-th-candy'
'TDRC' (Recording time)                             '1952'
'TIT2' (Title/songname/content description)         'Lollypop'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gibbs, Terry, Sextet'
'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'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.39 dB'
'TXXX:replaygain_track_peak'                        '0.458025'

========================== row from database ==========================
                                              'id'  736083
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/sweets/Terry Gibbs Sextet - Lollypop (Brunswick, 1952; wr. Terry Gibbs & Shorty Rogers; voc. incl. Terry Gibbs).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  set-th-candy
                                        'filesize'  2967424
                                           'mtime'  1620343125
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country sweets (Brunswick, 1952; wr. & Shorty Rogers; voc. incl. Gibbs) set th candy
                                      'tag_artist'  Gibbs, Terry, Sextet
                                     'tag_release'  Brunswick single #80219
                                       'tag_title'  Lollypop
                                             'bpm'  136.459
                                    'search_title'  'lollypop':1
                                   'search_artist'  'gibbs':1,2 'sextet':5 'terry':3,4
                                  'search_release'  '80219':3,4 'brunswick':1 'single':2
                                     'search_rest'  '1952':8,9 'brunswick':6,7 'candy':23 'country':4 'exotica':2 'gibbs':19,20 'incl':17,18 'jazz':1 'oldies':3 'rogers':13,14 'set':21 'shorty':12 'sweets':5 'th':22 'voc':15,16 'wr':10,11
                                    'search_combo'  '1952':18,19 '80219':9C,10C 'brunswick':7C,16,17 'candy':33 'country':14 'exotica':12 'gibbs':2B,3B,29,30 'incl':27,28 'jazz':11 'lollypop':1A 'oldies':13 'rogers':23,24 'set':31 'sextet':6B 'shorty':22 'single':8C 'sweets':15 'terry':4B,5B 'th':32 'voc':25,26 'wr':20,21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1952
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343124.7993896  (2021-05-07 01:18:44)
                             'size'  2967424