======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '169'
                                          'artist'  'Dennis Coffey'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Taurus  DB, SOME POPS'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'fusion', 'secretagent', 'soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '114.803'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.803'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Taurus  DB, SOME POPS'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dennis Coffey'
'TXXX:Mp3gain_minmax'                               '135,190'
'TXXX:Mp3gain_undo'                                 '+008,+008,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['guitar', 'fusion', 'secretagent', 'soul', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.330280'

========================== row from database ==========================
                                              'id'  761313
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Dennis Coffey - Taurus  DB, SOME POPS.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  169
                                           'genre'  set-th-novelty
                                        'filesize'  4066239
                                           'mtime'  1620343076
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Dennis Coffey
                                     'tag_release'  None
                                       'tag_title'  Taurus  DB, SOME POPS
                                             'bpm'  114.803
                                    'search_title'  'db':2,3 'pops':5 'some':4 'taurus':1
                                   'search_artist'  'coffey':2 'dennis':1
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  'baby':15,16 'chow':13,14 'coffey':7B 'country':11 'db':2A,3A 'dennis':6B 'exotica':9 'jazz':8 'novelty':19 'oldies':10 'pops':5A 'set':17 'some':4A 'taurus':1A 'th':18 'zimelis':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'fusion', 'secretagent', 'soul', 'funk']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343076.0860832  (2021-05-07 01:17:56)
                             'size'  4066239