======================== unified (from filesystem) ========================
                                         'bitrate'  '259.334'
                                        'duration'  '236'
                                          'artist'  'John Hiatt'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  'Memphis in the Meantime'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alt country', 'americana', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '120.327'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '120.327'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         'Memphis in the Meantime'
'TKEY' (Initial key)                                '12B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'John Hiatt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alt country', 'americana', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.00 dB'
'TXXX:replaygain_track_peak'                        '0.506970'

========================== row from database ==========================
                                              'id'  978439
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/118-john_hiatt-memphis_in_the_meantime-gti.mp3
                                         'working'  None
                                         'bitrate'  259
                                    'duration_sec'  236
                                           'genre'  loc-namerica-country
                                        'filesize'  7656489
                                           'mtime'  1621628421
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 118 john_hiatt memphis_in_the_meantime gti loc namerica country
                                      'tag_artist'  John Hiatt
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  Memphis in the Meantime
                                             'bpm'  120.327
                                    'search_title'  'in':2 'meantime':4 'memphis':1 'the':3
                                   'search_artist'  'hiatt':2 'john':1
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '118':15 '2013':13 '2cd':12 'and':10 'best':8 'bluegrass':11 'country':4,9 'exotica':2 'gti':14 'hiatt':17 'in':19 'jazz':1 'john':16 'loc':22 'meantime':21 'memphis':18 'namerica':23 'oldies':3 'the':6,20 'va':5 'very':7
                                    'search_combo'  '118':27 '2013':25 '2cd':24 'and':11C,22 'best':9C,20 'bluegrass':12C,23 'country':10C,16,21 'exotica':14 'gti':26 'hiatt':6B,29 'in':2A,31 'jazz':13 'john':5B,28 'loc':34 'meantime':4A,33 'memphis':1A,30 'namerica':35 'oldies':15 'the':3A,7C,18,32 'va':17 'very':8C,19
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alt country', 'americana', 'singer songwriter']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628421.2382693  (2021-05-21 22:20:21)
                             'size'  7656489