======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '175'
                                          'artist'  'Ernie Andrews / Maxwell Davis Orchestra'
                                     'text_people'  ''
                                         'release'  "Jumpin' Like Mad: Cool Cats & Hip Chicks (1 of 2)"
                                           'title'  'Pork Chops and Mustard Greens'
                                           'quals'  ("['Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '143.721'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Jumpin' Like Mad: Cool Cats & Hip Chicks (1 of 2)"
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Pork Chops and Mustard Greens'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ernie Andrews / Maxwell Davis Orchestra'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.29 dB'
'TXXX:replaygain_track_peak'                        '0.590365'

========================== row from database ==========================
                                              'id'  761017
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Ernie Andrews & Maxwell Davis Orch. - Pork Chops And Mustard Greens.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  175
                                           'genre'  set-th-novelty
                                        'filesize'  2804304
                                           'mtime'  1620343078
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] Orch. set th novelty
                                      'tag_artist'  Ernie Andrews / Maxwell Davis Orchestra
                                     'tag_release'  Jumpin' Like Mad: Cool Cats & Hip Chicks (1 of 2)
                                       'tag_title'  Pork Chops and Mustard Greens
                                             'bpm'  143.721
                                    'search_title'  'and':3 'chops':2 'greens':5 'mustard':4 'pork':1
                                   'search_artist'  'andrews':2 'davis':4 'ernie':1 'maxwell':3 'orchestra':5
                                  'search_release'  '1':10,11 '2':13,14 'cats':7 'chicks':9 'cool':6 'hip':8 'jumpin':1,2 'like':3 'mad':4,5 'of':12
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':14 'oldies':3 'orch':10,11 'set':12 'th':13 'zimelis':5
                                    'search_combo'  '1':20C,21C '2':23C,24C 'and':3A 'andrews':7B 'baby':32,33 'cats':17C 'chicks':19C 'chops':2A 'chow':30,31 'cool':16C 'country':28 'davis':9B 'ernie':6B 'exotica':26 'greens':5A 'hip':18C 'jazz':25 'jumpin':11C,12C 'like':13C 'mad':14C,15C 'maxwell':8B 'mustard':4A 'novelty':38 'of':22C 'oldies':27 'orch':34,35 'orchestra':10B 'pork':1A 'set':36 'th':37 'zimelis':29
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343077.6941094  (2021-05-07 01:17:57)
                             'size'  2804304