======================== unified (from filesystem) ========================
                                         'bitrate'  '187.332'
                                        'duration'  '255'
                                          'artist'  'Terry Callier'
                                     'text_people'  ''
                                         'release'  'The Story So Far - Essential Argo/Cadet Grooves'
                                           'title'  'Ordinary Joe'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fip', 'jazz', 'soul', 'blues', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '124.929'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Story So Far - Essential Argo/Cadet Grooves'
'TBPM' (BPM (beats per minute))                     '124.929'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1990'
'TDRL' (Release time)                               '1994'
'TENC' (Encoded by)                                 'Greg'
'TIT2' (Title/songname/content description)         'Ordinary Joe'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Terry Callier'
'TRCK' (Track number/Position in set)               '08'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 2, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'jazz', 'soul', 'blues', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.794636'

========================== row from database ==========================
                                              'id'  783146
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Story So Far - Essential Argo-Cadet Grooves/Ordinary Joe - 08 - Terry Callier.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  255
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  5994080
                                           'mtime'  1620536709
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 08 prerock jb jazz unsorted
                                      'tag_artist'  Terry Callier
                                     'tag_release'  The Story So Far - Essential Argo/Cadet Grooves
                                       'tag_title'  Ordinary Joe
                                             'bpm'  124.929
                                    'search_title'  'joe':2 'ordinary':1
                                   'search_artist'  'callier':2 'terry':1
                                  'search_release'  'argo':6 'argocadet':8 'cadet':7 'essential':5 'far':4 'grooves':9 'so':3 'story':2 'the':1
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'prerock':5 'unsorted':7
                                    'search_combo'  'argo':10C 'argocadet':12C 'cadet':11C 'callier':4B 'country':17 'essential':9C 'exotica':15 'far':8C 'grooves':13C 'jazz':14 'jb':19 'joe':2A 'oldies':16 'ordinary':1A 'prerock':18 'so':7C 'story':6C 'terry':3B 'the':5C 'unsorted':20
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['fip', 'jazz', 'soul', 'blues', 'folk', 'singer songwriter']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536708.7355068  (2021-05-09 07:05:08)
                             'size'  5994080