======================== unified (from filesystem) ========================
                                         'bitrate'  '141.515'
                                        'duration'  '170'
                                          'artist'  "Aubrey 'Moon' Mullican"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'FOGGY RIVER (Master)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rockabilly', 'western swing', 'country', 'all', 'hillbilly boogie']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '92.307'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '92.307'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         'FOGGY RIVER (Master)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Aubrey 'Moon' Mullican"
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '1'
'TXXX:Length'                                       '170793'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rockabilly', 'western swing', 'country', 'all', 'hillbilly boogie']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+2.04 dB'
'TXXX:replaygain_track_peak'                        '0.504556'

========================== row from database ==========================
                                              'id'  967900
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Old Country Music/Moon Mullican - Foggy River.wma.mp3
                                         'working'  None
                                         'bitrate'  141
                                    'duration_sec'  170
                                           'genre'  loc-namerica-country
                                        'filesize'  3026715
                                           'mtime'  1621628250
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Old Country Music Foggy River.wma loc namerica country
                                      'tag_artist'  Aubrey 'Moon' Mullican
                                     'tag_release'  None
                                       'tag_title'  FOGGY RIVER (Master)
                                             'bpm'  92.307
                                    'search_title'  'foggy':1 'master':3,4 'river':2
                                   'search_artist'  'aubrey':1 'moon':2,3 'mullican':4
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'foggy':7 'jazz':1 'loc':11 'music':6 'namerica':12 'old':5 'oldies':3 'river':8 'riverwma':10 'wma':9
                                    'search_combo'  'aubrey':5B 'country':12 'exotica':10 'foggy':1A,15 'jazz':9 'loc':19 'master':3A,4A 'moon':6B,7B 'mullican':8B 'music':14 'namerica':20 'old':13 'oldies':11 'river':2A,16 'riverwma':18 'wma':17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rockabilly', 'western swing', 'country', 'all', 'hillbilly boogie']
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628249.8576536  (2021-05-21 22:17:29)
                             'size'  3026715