======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  'Alan Hawkshaw'
                                     'text_people'  ''
                                         'release'  "Mo'hawk"
                                           'title'  'Coast to Coast'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'secretagent', 'library music', 'funk', 'hammond']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '145.685'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Mo'hawk"
'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'spudgun'
'TIT2' (Title/songname/content description)         'Coast to Coast'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '201639'
'TPE1' (Lead performer(s)/Soloist(s))               'Alan Hawkshaw / Ray Cameron / Alan Parker'
'TPE2' (Band/orchestra/accompaniment)               'Alan Hawkshaw'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 128 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'secretagent', 'library music', 'funk', 'hammond']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.01 dB'
'TXXX:replaygain_track_peak'                        '0.945052'

========================== row from database ==========================
                                              'id'  975468
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Alan Hawkshaw/Alan Hawkshaw  Ray Cameron  Alan Parker - Coast to Coast.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  soundtrack-library
                                        'filesize'  3227648
                                           'mtime'  1620523678
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Ray Cameron Parker soundtrack library
                                      'tag_artist'  Alan Hawkshaw
                                     'tag_release'  Mo'hawk
                                       'tag_title'  Coast to Coast
                                             'bpm'  145.685
                                    'search_title'  'coast':1 'to':2
                                   'search_artist'  'alan':1 'hawkshaw':2
                                  'search_release'  'hawk':2 'mo':1 'mohawk':3
                                     'search_rest'  'cameron':6 'country':4 'exotica':2 'jazz':1 'library':9 'oldies':3 'parker':7 'ray':5 'soundtrack':8
                                    'search_combo'  'alan':3B 'cameron':13 'coast':1A 'country':11 'exotica':9 'hawk':6C 'hawkshaw':4B 'jazz':8 'library':16 'mo':5C 'mohawk':7C 'oldies':10 'parker':14 'ray':12 'soundtrack':15 'to':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'secretagent', 'library music', 'funk', 'hammond']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620523678.0612419  (2021-05-09 03:27:58)
                             'size'  3227648