======================== unified (from filesystem) ========================
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                                          'artist'  'The Stills-Young Band'
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                                         'release'  'Long May You Run'
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                                      'tracktotal'  '9'
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '138'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Long May You Run'
'TBPM' (BPM (beats per minute))                     '138'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDOR' (Original release time)                      '1976'
'TDRC' (Recording time)                             '2017-12-01'
'TIT2' (Title/songname/content description)         'Black Coral'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stills-Young Band'
'TPE2' (Band/orchestra/accompaniment)               'The Stills-Young Band'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Reprise Records'
'TRCK' (Track number/Position in set)               '4/9'
'TSO2'                                              'Stills-Young Band, The'
'TSOP' (Performer sort order)                       'Stills-Young Band, The'
'TXXX:Artists'                                      'The Stills-Young Band'
'TXXX:BARCODE'                                      '093624931102'
'TXXX:CATALOGNUMBER'                                '093624931102'
'TXXX:MusicBrainz Album Artist Id'                  'fcacc57a-e0ae-481c-a83c-5ce3e45892f4'
'TXXX:MusicBrainz Album Id'                         '94e0c16a-6a11-40c0-9666-601f83548cbe'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fcacc57a-e0ae-481c-a83c-5ce3e45892f4'
'TXXX:MusicBrainz Release Group Id'                 '4c0ceea5-76a2-3474-82c4-b99049e26c89'
'TXXX:MusicBrainz Release Track Id'                 'de2d7465-d115-4460-9f42-4120b2408760'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'acoustic', 'pop rock']
'TXXX:lastfmtags'                                   ['folk rock', 'classic rock', 'neil young', 'singer songwriter', 'rock']
'TXXX:originalyear'                                 '1976'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.790404'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'18647e6d-4712-47d6-b91e-f127dd060c5c')
'USLT::XXX'                                         ('Have ever been down deep?\n'
 'I mean way down\n'
 'Under the ocean\n'
 'Just inside though news reef\n'
 'Better beware of his potion\n'
 "And remember you don't belong\n"
 'It always seems so unfair\n'
 'The fishes around\n'
 'Will always remind you\n'
 'Got to move slow\n'
 'Take it easy down there\n'
 "You've only so much air\n"
 'When you get a little deeper\n'
 'If you slow down\n'
 'You might keep her\n'
 "The sea, unforgiving and she's hard\n"
 "But she'll make love to you\n"
 'Show you glimpses of the stars\n'
 'At about two-hundred feet\n'
 'You realize the peril\n'
 'But seductive is the deep\n'
 'That shark over there\n'
 'Holds no terror\n'
 'For a while you really belong\n'
 'The ocean will always share\n'
 'You become one like friends and lovers\n'
 'So remember take care\n'
 "She'll try to keep you there\n"
 'The deeper you go\n'
 'Cause of the pressure of the air\n'
 'Nitrogen comes and goes\n'
 'Gets you high\n'
 "It's an alien atmosphere\n"
 'They call it rapture of the deep\n'
 "But you're not afraid\n"
 "You're too far down now to be scared\n"
 'Two hundred eighty seven feet\n'
 'I saw Jesus\n'
 'And it made sense that He was there\n'
 "So belong or don't belong\n"
 "There's plenty of ocean to share\n"
 'Please take heed\n'
 "There's mouths to feed\n"
 'The ocean should provide\n'
 "Don't take more than you need\n"
 'Cause heaven just might be the sea')

========================== row from database ==========================
                                              'id'  1319453
                                            'path'  /data/Music/Bulk/00poprockelectronic/Neil Young/Neil Young_/[1976] Long May You Run/Neil Young - Black Coral - 04.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  281
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  5641664
                                           'mtime'  1636400709
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Neil Neil Young_ [1976] Neil 04 ifs songwriter folk
                                      'tag_artist'  The Stills-Young Band
                                     'tag_release'  Long May You Run
                                       'tag_title'  Black Coral
                                             'bpm'  138.0
                                    'search_title'  'black':1 'coral':2
                                   'search_artist'  'band':5 'stills':2 'stillsyoung':4 'the':1 'young':3
                                  'search_release'  'long':1 'may':2 'run':4 'you':3
                                     'search_rest'  '00poprockelectronic':1 '1976':4,5 'folk':8 'ifs':6 'neil':2 'songwriter':7 'young':3
                                    'search_combo'  '00poprockelectronic':12 '1976':15,16 'band':7B 'black':1A 'coral':2A 'folk':19 'ifs':17 'long':8C 'may':9C 'neil':13 'run':11C 'songwriter':18 'stills':4B 'stillsyoung':6B 'the':3B 'you':10C 'young':5B,14
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'Q-PIANO-2', 'q-mixbeat-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk rock', 'classic rock', 'neil young', 'singer songwriter', 'rock']
                                        'tag_date'  2017
                                     'discogstags'  ['rock', 'acoustic', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636400709.323726  (2021-11-08 20:45:09)
                             'size'  5641664