======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '160'
                                          'artist'  'Wild Bill Moore'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Neck Bones And Collard Greens'
                                           'quals'  ("['Q-OLDST-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-2', "
 "'q-syn-1', 'q-bass-4', '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']")
                                      'lastfmtags'  ("['rnr', 'blues', 'rhythm and blues', 'bluesrock', 'what was the first rock n "
 "roll record']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '141.314'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '141.314'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Neck Bones And Collard Greens'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Wild Bill Moore'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnr',
 'blues',
 'rhythm and blues',
 'bluesrock',
 'what was the first rock n roll record']
'TXXX:q-bass'                                       '4'
'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'                        '+1.28 dB'
'TXXX:replaygain_track_peak'                        '0.400037'

========================== row from database ==========================
                                              'id'  771051
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Wild Bill Moore - Neck Bones And Collard Greens.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  160
                                           'genre'  set-th-novelty
                                        'filesize'  1933593
                                           'mtime'  1620343101
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Wild Bill Moore
                                     'tag_release'  None
                                       'tag_title'  Neck Bones And Collard Greens
                                             'bpm'  141.314
                                    'search_title'  'and':3 'bones':2 'collard':4 'greens':5 'neck':1
                                   'search_artist'  'bill':2 'moore':3 'wild':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'  'and':3A 'baby':16,17 'bill':7B 'bones':2A 'chow':14,15 'collard':4A 'country':12 'exotica':10 'greens':5A 'jazz':9 'moore':8B 'neck':1A 'novelty':20 'oldies':11 'set':18 'th':19 'wild':6B 'zimelis':13
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnr', 'blues', 'rhythm and blues', 'bluesrock', 'what was the first rock n roll record']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343101.2894342  (2021-05-07 01:18:21)
                             'size'  1933593