======================== unified (from filesystem) ========================
                                         'bitrate'  '245.122'
                                        'duration'  '140'
                                          'artist'  'Leroy Van Dyke'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  'Walk on by'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'male vocalists', '60s', 'classic country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '35'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '138.040'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         'Walk on by'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Leroy Van Dyke'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '35'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'male vocalists', '60s', 'classic country']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.415278'

========================== row from database ==========================
                                              'id'  978501
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/214-leroy_van_dyke-walk_on_by-gti.mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  140
                                           'genre'  loc-namerica-country
                                        'filesize'  4314914
                                           'mtime'  1621628421
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 214 leroy_van_dyke walk_on_by gti loc namerica country
                                      'tag_artist'  Leroy Van Dyke
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  Walk on by
                                             'bpm'  138.04
                                    'search_title'  'by':3 'on':2 'walk':1
                                   'search_artist'  'dyke':3 'leroy':1 'van':2
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '2013':13 '214':15 '2cd':12 'and':10 'best':8 'bluegrass':11 'by':21 'country':4,9 'dyke':18 'exotica':2 'gti':14 'jazz':1 'leroy':16 'loc':22 'namerica':23 'oldies':3 'on':20 'the':6 'va':5 'van':17 'very':7 'walk':19
                                    'search_combo'  '2013':25 '214':27 '2cd':24 'and':11C,22 'best':9C,20 'bluegrass':12C,23 'by':3A,33 'country':10C,16,21 'dyke':6B,30 'exotica':14 'gti':26 'jazz':13 'leroy':4B,28 'loc':34 'namerica':35 'oldies':15 'on':2A,32 'the':7C,18 'va':17 'van':5B,29 'very':8C,19 'walk':1A,31
                                    'tag_tracknum'  35
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['country', 'male vocalists', '60s', 'classic country']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628421.2787068  (2021-05-21 22:20:21)
                             'size'  4314914