======================== unified (from filesystem) ========================
                                         'bitrate'  '278.479'
                                        'duration'  '159'
                                          'artist'  'Warren Baker'
                                     'text_people'  ''
                                         'release'  'Music To Spy By'
                                           'title'  'The Stu Bailey Blues'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['soundtrack']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '25'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted;set-th-spy'
                                             'bpm'  '121.701'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music To Spy By'
'TBPM' (BPM (beats per minute))                     '121.701'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-unsorted', 'set-th-spy']
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'The Stu Bailey Blues'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Warren Baker'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '25'
'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'                                   'soundtrack'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.89 dB'
'TXXX:replaygain_track_peak'                        '0.669363'

========================== row from database ==========================
                                              'id'  673006
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Crime Jazz - Volume 02 - Music to Spy By 1/(25) [Warren Baker] The Stu Bailey Blues.mp3
                                         'working'  None
                                         'bitrate'  278
                                    'duration_sec'  159
                                           'genre'  prerock-jb-jazz-unsorted;set-th-spy
                                        'filesize'  5530140
                                           'mtime'  1620528406
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Crime Jazz Volume 02 to 1 (25) [Warren Baker] prerock jb jazz unsorted;set th spy
                                      'tag_artist'  Warren Baker
                                     'tag_release'  Music To Spy By
                                       'tag_title'  The Stu Bailey Blues
                                             'bpm'  121.701
                                    'search_title'  'bailey':3 'blues':4 'stu':2 'the':1
                                   'search_artist'  'baker':2 'warren':1
                                  'search_release'  'by':4 'music':1 'spy':3 'to':2
                                     'search_rest'  '1':8 '25':9,10 'baker':13,14 'country':4 'crime':5 'exotica':2 'jazz':1 'jb':16 'oldies':3 'prerock':15 'set':18,20 'spy':22 'th':21 'to':7 'unsorted':17,19 'volume':6 'warren':11,12
                                    'search_combo'  '1':18 '25':19,20 'bailey':3A 'baker':6B,23,24 'blues':4A 'by':10C 'country':14 'crime':15 'exotica':12 'jazz':11 'jb':26 'music':7C 'oldies':13 'prerock':25 'set':28,30 'spy':9C,32 'stu':2A 'th':31 'the':1A 'to':8C,17 'unsorted':27,29 'volume':16 'warren':5B,21,22
                                    'tag_tracknum'  25
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528405.6492898  (2021-05-09 04:46:45)
                             'size'  5530140