======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '121'
                                          'artist'  "Positively 13 O'Clock"
                                     'text_people'  ''
                                         'release'  'Tape No044 - Psychotic Reaction'
                                           'title'  'Psychotic Reaction'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic', 'all', 'psychedelic rock', 'rock']"
                                     'discogstags'  "['garage rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '144.2'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tape No044 - Psychotic Reaction'
'TBPM' (BPM (beats per minute))                     '144.2'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Psychotic Reaction'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               "Positively 13 O'Clock"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:COUNTRY'                                      '- US'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['garage rock', 'rock']
'TXXX:lastfmtags'                                   ['garage rock', 'psychedelic', 'all', 'psychedelic rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+23.76 dB'
'TXXX:replaygain_track_peak'                        '0.021750'
'TXXX:tracknum'                                     '04'

========================== row from database ==========================
                                              'id'  1504395
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT044/04 - Positively 13 O_Clock - Psychotic Reaction (1967 - US).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  121
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  2924338
                                           'mtime'  1620383095
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT044 O_Clock (1967 US) rock gr garage;set pl garagetapes
                                      'tag_artist'  Positively 13 O'Clock
                                     'tag_release'  Tape No044 - Psychotic Reaction
                                       'tag_title'  Psychotic Reaction
                                             'bpm'  144.2
                                    'search_title'  'psychotic':1 'reaction':2
                                   'search_artist'  'clock':3 'o':2 'oclock':4 'positively':1
                                  'search_release'  'no044':2 'psychotic':3 'reaction':4 'tape':1
                                     'search_rest'  '1967':8,9 'blogspot':2 'clock':7 'com':3 'garage':14,16 'garagetapes':1,19 'garagetapesblogspotcom':4 'gr':13 'gt044':5 'o':6 'pl':18 'rock':12 'set':15,17 'us':10,11
                                    'search_combo'  '1967':18,19 'blogspot':12 'clock':5B,17 'com':13 'garage':24,26 'garagetapes':11,29 'garagetapesblogspotcom':14 'gr':23 'gt044':15 'no044':8C 'o':4B,16 'oclock':6B 'pl':28 'positively':3B 'psychotic':1A,9C 'reaction':2A,10C 'rock':22 'set':25,27 'tape':7C 'us':20,21
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic', 'all', 'psychedelic rock', 'rock']
                                        'tag_date'  1967
                                     'discogstags'  ['garage rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620383095.4194913  (2021-05-07 12:24:55)
                             'size'  2924338