======================== unified (from filesystem) ========================
                                         'bitrate'  '244.899'
                                        'duration'  '156'
                                          'artist'  'Johnny Cash'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  'Ring of Fire'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'singer songwritergdchill', 'cover', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '103.272'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '103.272'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         'Ring of Fire'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Cash'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '22'
'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'                                   ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.422446'

========================== row from database ==========================
                                              'id'  978303
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/201-johnny_cash-ring_of_fire-gti.mp3
                                         'working'  None
                                         'bitrate'  244
                                    'duration_sec'  156
                                           'genre'  loc-namerica-country
                                        'filesize'  4801013
                                           'mtime'  1621628421
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 201 johnny_cash ring_of_fire gti loc namerica country
                                      'tag_artist'  Johnny Cash
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  Ring of Fire
                                             'bpm'  103.272
                                    'search_title'  'fire':3 'of':2 'ring':1
                                   'search_artist'  'cash':2 'johnny':1
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '201':15 '2013':13 '2cd':12 'and':10 'best':8 'bluegrass':11 'cash':17 'country':4,9 'exotica':2 'fire':20 'gti':14 'jazz':1 'johnny':16 'loc':21 'namerica':22 'of':19 'oldies':3 'ring':18 'the':6 'va':5 'very':7
                                    'search_combo'  '201':26 '2013':24 '2cd':23 'and':10C,21 'best':8C,19 'bluegrass':11C,22 'cash':5B,28 'country':9C,15,20 'exotica':13 'fire':3A,31 'gti':25 'jazz':12 'johnny':4B,27 'loc':32 'namerica':33 'of':2A,30 'oldies':14 'ring':1A,29 'the':6C,17 'va':16 'very':7C,18
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['country', 'singer songwritergdchill', 'cover', 'singer songwriter']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628421.2651224  (2021-05-21 22:20:21)
                             'size'  4801013